240
Germantown, Maryland
Maryland · Eastern (UTC-5) · — · 11 cities
Cities Served by Area Code 240 (11 cities)
Additional Details
Established
1997
Type
Overlay
Active Prefixes
800
Wireless Lines
28%
About Area Code 240
Area code 240 was introduced in 1997 as an overlay code, sharing the same geographic region as an existing area code to meet growing demand for phone numbers in the Germantown area. The area is in the Eastern time zone. It covers 11 cities and communities including Bethesda, Bowie, College Park, Cumberland, Frederick and 6 more.
Phone Number Prefixes in Area Code 240
800 active NXX prefixes — 28% wireless, 72% landline. Each prefix (NXX) represents up to 10,000 phone numbers.
Omnipoint Communications Cap Operations 117 (15%)Verizon Wireless 85 (11%)AT&T Mobility 69 (9%)Paetec Itel 63 (8%)Lumen/Level 3 62 (8%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 240-200 | Bandwidth.com | Landline | Wshngtnzn2 |
| 240-201 | Peerless Network Of Maryland | Landline | Ridge |
| 240-202 | Onvoy | Landline | Highfield |
| 240-203 | Omnipoint Communications Cap Operations | Landline | Hagerstown |
| 240-204 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-205 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-206 | MCI/Verizon | Wireless | Wsng236Z14 |
| 240-207 | Paetec Itel | Landline | Damascs236 |
| 240-208 | Peerless Network Of Maryland | Landline | La Plata |
| 240-209 | Peerless Network Of Maryland | Landline | Indianhead |
| 240-210 | AT&T Mobility | Wireless | Waldorf |
| 240-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-212 | Core Communications | Landline | Oakland |
| 240-213 | Peerless Network Of Maryland | Landline | Waldorf |
| 240-214 | Peerless Network Of Maryland | Landline | Mechancsvl |
| 240-215 | Lumen/Level 3 | Landline | Frederick |
| 240-216 | Metro by T-Mobile | Wireless | Waldorf |
| 240-217 | Omnipoint Communications Cap Operations | Landline | Hagerstown |
| 240-218 | Peerless Network Of Maryland | Landline | Nanjemoy |
| 240-219 | Peerless Network Of Maryland | Landline | Ridge |
| 240-220 | Peerless Network Of Maryland | Landline | Poolesvl |
| 240-221 | Verizon Maryland | Landline | Wsngtnzn11 |
| 240-222 | Paetec Itel | Landline | Waldorf |
| 240-223 | MCI/Verizon | Wireless | Wshngtnzn2 |
| 240-224 | Verizon Wireless | Wireless | Gaithersbg |
| 240-225 | Core Communications | Landline | Frederick |
| 240-226 | Onvoy | Landline | Oakland |
| 240-227 | AT&T Mobility | Wireless | Myersville |
| 240-228 | Verizon Maryland | Landline | Wsng236Z13 |
| 240-229 | Lumen/Level 3 | Landline | Waldorf |
| 240-230 | Lumen/Level 3 | Landline | Hughesvl |
| 240-231 | Core Communications | Landline | Hagerstown |
| 240-232 | Lumen/Level 3 | Landline | Wsng236Z14 |
| 240-233 | Teleport Communications America | Landline | Tompkinsvl |
| 240-234 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-235 | Paetec Itel | Landline | Wshngtnzn2 |
| 240-236 | Verizon Maryland | Landline | Frederick |
| 240-237 | Teleport Communications America | Landline | Lxtnpkgrml |
| 240-238 | Paetec Itel | Landline | Wsngtnzn10 |
| 240-239 | Core Communications | Landline | Leonardtn |
| 240-240 | Fractel | Landline | Damascs240 |
| 240-241 | Starpower Communications | Landline | Wsng236Z13 |
| 240-242 | Starpower Communications | Landline | Wsngtnzn11 |
| 240-243 | MCI/Verizon | Wireless | Gaithersbg |
| 240-244 | Starpower Communications | Landline | Wsngtnzn16 |
| 240-245 | Starpower Communications | Landline | Wsng236Z14 |
| 240-246 | Starpower Communications | Landline | Gaithersbg |
| 240-247 | MCI/Verizon | Wireless | Wshngtnzn3 |
| 240-248 | Peerless Network Of Maryland | Landline | Ridge |
| 240-249 | Teleport Communications America | Landline | Mechancsvl |
| 240-250 | Peerless Network Of Maryland | Landline | Brandywine |
| 240-251 | Core Communications | Landline | Highfield |
| 240-252 | Lumen/Level 3 | Landline | Gaithersbg |
| 240-253 | Bandwidth.com | Landline | Wshngtnzn6 |
| 240-254 | Teleport Communications America | Landline | Hughesvl |
| 240-255 | Peerless Network Of Maryland | Landline | Poolesvl |
| 240-256 | Teleport Communications America | Landline | Leonardtn |
| 240-257 | Teleport Communications America | Landline | Nanjemoy |
| 240-258 | Teleport Communications America | Landline | Ridge |
| 240-259 | Spectrum | Landline | Hughesvl |
| 240-260 | MCI/Verizon | Wireless | Wsng236Z14 |
| 240-261 | Onvoy | Landline | Gaithersbg |
| 240-262 | Comcast | Landline | Lxtnpkgrml |
| 240-263 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-264 | Verizon Maryland | Landline | Laurel236 |
| 240-265 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-266 | Peerless Network Of Maryland | Landline | Wsng236Z14 |
| 240-267 | Verizon Wireless | Wireless | Hagerstown |
| 240-268 | MCI/Verizon | Wireless | Wsngtnzn10 |
| 240-269 | Peerless Network Of Maryland | Landline | Wsngtnzn16 |
| 240-270 | Verizon Wireless | Wireless | Waldorf |
| 240-271 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-272 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-273 | Lumen/Level 3 | Landline | Wshngtnzn6 |
| 240-274 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-275 | Core Communications | Landline | Grantsvl |
| 240-276 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-277 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-278 | Verizon Wireless | Wireless | Laurel236 |
| 240-279 | Core Communications | Landline | Waldorf |
| 240-280 | Comcast | Landline | Laurel236 |
| 240-281 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-282 | Peerless Network Of Maryland | Landline | Mechancsvl |
| 240-283 | Paetec Itel | Landline | Wsngtnzn11 |
| 240-284 | Lumen/Level 3 | Landline | Frostburg |
| 240-285 | Verizon Wireless | Wireless | Frederick |
| 240-286 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-287 | Core Communications | Landline | Hancock |
| 240-288 | Comcast | Landline | Thurmont |
| 240-289 | Paetec Itel | Landline | Wshngtnzn6 |
| 240-290 | MCI/Verizon | Wireless | Wsngtnzn11 |
| 240-291 | AT&T Mobility | Wireless | Hagerstown |
| 240-292 | Verizon Maryland | Landline | Wsngtnzn11 |
| 240-293 | Starpower Communications | Landline | Wsngtnzn12 |
| 240-294 | MCI/Verizon | Wireless | Laurel236 |
| 240-295 | Paetec Itel | Landline | Laurel236 |
| 240-296 | Paetec Itel | Landline | Wshngtnzn4 |
| 240-297 | Lumen/Level 3 | Landline | Wsng236Z13 |
| 240-298 | Verizon Wireless | Wireless | Leonardtn |
| 240-299 | Metro by T-Mobile | Wireless | Waldorf |
| 240-300 | Verizon Wireless | Wireless | Waldorf |
| 240-301 | Onvoy | Landline | Clear Spg |
| 240-302 | AT&T Mobility | Wireless | Laurel236 |
| 240-303 | Paetec Itel | Landline | Wsngtnzn16 |
| 240-304 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn5 |
| 240-305 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-306 | MCI/Verizon | Wireless | Gaithersbg |
| 240-307 | Bandwidth.com | Landline | Emmitsburg |
| 240-308 | AT&T Mobility | Wireless | Damascs236 |
| 240-309 | Verizon Wireless | Wireless | Leonardtn |
| 240-310 | Uscoc Of Cumberland | Landline | Hagerstown |
| 240-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-312 | Paetec Itel | Landline | Wshngtnzn5 |
| 240-313 | Verizon Maryland | Landline | Hagerstown |
| 240-314 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-315 | Verizon Maryland | Landline | Frederick |
| 240-316 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-317 | Starpower Communications | Landline | Lxtnpkgrml |
| 240-318 | Verizon Maryland | Landline | Wsngtnzn16 |
| 240-319 | Verizon Wireless | Wireless | Laurel238 |
| 240-320 | Paetec Itel | Landline | Waldorf |
| 240-321 | Uscoc Of Cumberland | Landline | Oakland |
| 240-322 | Core Communications | Landline | Mccoole |
| 240-323 | Core Communications | Landline | Emmitsburg |
| 240-324 | Ymax Communications | Landline | Ashton238 |
| 240-325 | Core Communications | Landline | Damascs236 |
| 240-326 | Paetec Itel | Landline | Wsng236Z15 |
| 240-327 | Core Communications | Landline | Gaithersbg |
| 240-328 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-329 | Lumen/Level 3 | Landline | Hagerstown |
| 240-330 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-331 | Peerless Network Of Maryland | Landline | Wshngtnzn3 |
| 240-332 | Peerless Network Of Maryland | Landline | Tompkinsvl |
| 240-333 | Paetec Itel | Landline | Wshngtnzn2 |
| 240-334 | Lumen/Level 3 | Landline | Wsng236Z14 |
| 240-335 | Paetec Itel | Landline | Wsng236Z14 |
| 240-336 | Core Communications | Landline | Wshngtnzn2 |
| 240-337 | Onvoy | Landline | Wshngtnzn5 |
| 240-338 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-339 | Paetec Itel | Landline | Wsng236Z15 |
| 240-340 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-341 | MCI/Verizon | Wireless | Buckeystn |
| 240-342 | Starpower Communications | Landline | Ashton236 |
| 240-343 | Verizon Wireless | Wireless | Hancock |
| 240-344 | AT&T Mobility | Wireless | Frederick |
| 240-345 | Lumen/Level 3 | Landline | Ashton238 |
| 240-346 | Metro by T-Mobile | Wireless | Waldorf |
| 240-347 | Bandwidth.com | Landline | Hagerstown |
| 240-348 | Lumen/Level 3 | Landline | Wsngtnzn16 |
| 240-349 | Onvoy | Landline | La Plata |
| 240-350 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-351 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-352 | Peerless Network Of Maryland | Landline | La Plata |
| 240-353 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-354 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-355 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-356 | Lumen/Level 3 | Landline | Myersville |
| 240-357 | Verizon Wireless | Wireless | Frederick |
| 240-358 | Peerless Network Of Maryland | Landline | Damascs236 |
| 240-359 | Peerless Network Of Maryland | Landline | Indianhead |
| 240-360 | Omnipoint Communications Cap Operations | Landline | Laurel236 |
| 240-361 | Paetec Itel | Landline | Gaithersbg |
| 240-362 | Verizon Maryland | Landline | Cumberland |
| 240-363 | Onvoy | Landline | Wsngtnzn11 |
| 240-364 | Paetec Itel | Landline | Gaithersbg |
| 240-365 | Baltimore-Washington Telephone (Bwt) | Landline | Damascs236 |
| 240-366 | Bandwidth.com | Landline | Williamspt |
| 240-367 | Omnipoint Communications Cap Operations | Landline | Frederick |
| 240-368 | Peerless Network Of Maryland | Landline | Waldorf |
| 240-369 | Core Communications | Landline | Mount Airy |
| 240-370 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-371 | Peerless Network Of Maryland | Landline | Wsngtnzn12 |
| 240-372 | Metro by T-Mobile | Wireless | Gaithersbg |
| 240-373 | Verizon Maryland | Landline | Wsng236Z13 |
| 240-374 | Lumen/Level 3 | Landline | Laurel236 |
| 240-375 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn5 |
| 240-376 | Peerless Network Of Maryland | Landline | Hughesvl |
| 240-377 | Lumen/Level 3 | Landline | Indianhead |
| 240-378 | Core Communications | Landline | Cumberland |
| 240-379 | Verizon Maryland | Landline | Frederick |
| 240-380 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-381 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-382 | Teleport Communications America | Landline | Hagerstown |
| 240-383 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-384 | Peerless Network Of Maryland | Landline | Lxtnpkgrml |
| 240-385 | Verizon Maryland | Landline | Myersville |
| 240-386 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-387 | Paetec Itel | Landline | Wsng236Z13 |
| 240-388 | Metro by T-Mobile | Wireless | Gaithersbg |
| 240-389 | Paetec Itel | Landline | Ashton236 |
| 240-390 | Paetec Itel | Landline | Ashton236 |
| 240-391 | Onvoy | Landline | Wsng236Z13 |
| 240-392 | Starpower Communications | Landline | Wshngtnzn5 |
| 240-393 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-394 | AT&T Mobility | Wireless | Mount Airy |
| 240-395 | Paetec Itel | Landline | Wshngtnzn2 |
| 240-396 | Lumen/Level 3 | Landline | Wshngtnzn2 |
| 240-397 | Verizon Wireless | Wireless | Frederick |
| 240-398 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-399 | MCI/Verizon | Wireless | Wsngtnzn10 |
| 240-400 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-401 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-402 | MCI/Verizon | Wireless | Wsng236Z13 |
| 240-403 | Paetec Itel | Landline | Wsngtnzn10 |
| 240-404 | MCI/Verizon | Wireless | Gaithersbg |
| 240-405 | Paetec Itel | Landline | Frederick |
| 240-406 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-407 | Lumen/Level 3 | Landline | Wsngtnzn16 |
| 240-408 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-409 | AT&T Mobility | Wireless | Frederick |
| 240-410 | Omnipoint Communications Cap Operations | Landline | Cumberland |
| 240-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-412 | Metro by T-Mobile | Wireless | Waldorf |
| 240-413 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-414 | Peerless Network Of Maryland | Landline | Wshngtnzn6 |
| 240-415 | Ymax Communications | Landline | Frederick |
| 240-416 | AT&T Mobility | Wireless | Waldorf |
| 240-417 | Metro by T-Mobile | Wireless | Wshngtnzn5 |
| 240-418 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-419 | Verizon Wireless | Wireless | Waldorf |
| 240-420 | Verizon Maryland | Landline | Hagerstown |
| 240-421 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-422 | Omnipoint Communications Cap Operations | Landline | Frederick |
| 240-423 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-424 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-425 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-426 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-427 | MCI/Verizon | Wireless | Waldorf |
| 240-428 | Bandwidth.com | Landline | Wsngtnzn10 |
| 240-429 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-430 | Paetec Itel | Landline | Wsngtnzn11 |
| 240-431 | Omnipoint Communications Cap Operations | Landline | Lxtnpkgrml |
| 240-432 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-433 | Paetec Itel | Landline | Wsngtnzn12 |
| 240-434 | Lumen/Level 3 | Landline | Leonardtn |
| 240-435 | Verizon Wireless | Wireless | Waldorf |
| 240-436 | Lumen/Level 3 | Landline | Buckeystn |
| 240-437 | MCI/Verizon | Wireless | Ashton236 |
| 240-438 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-439 | Verizon Wireless | Wireless | Frederick |
| 240-440 | AT&T Mobility | Wireless | Frederick |
| 240-441 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn6 |
| 240-442 | Verizon Maryland | Landline | Oakland |
| 240-443 | Onvoy | Landline | Wshngtnzn6 |
| 240-444 | Verizon Wireless | Wireless | Laurel236 |
| 240-445 | Onvoy | Landline | Wshngtnzn2 |
| 240-446 | Verizon Wireless | Wireless | Frederick |
| 240-447 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-448 | Onvoy | Landline | Waldorf |
| 240-449 | AT&T Mobility | Wireless | Gaithersbg |
| 240-450 | Paetec Itel | Landline | Wshngtnzn3 |
| 240-451 | Onvoy | Landline | Thurmont |
| 240-452 | Metro by T-Mobile | Wireless | Hagerstown |
| 240-453 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-454 | Paetec Itel | Landline | Gaithersbg |
| 240-455 | Paetec Itel | Landline | Wshngtnzn5 |
| 240-456 | Verizon Maryland | Landline | Laurel236 |
| 240-457 | Verizon Wireless | Wireless | Frederick |
| 240-458 | Verizon Wireless | Wireless | Waldorf |
| 240-459 | Verizon Wireless | Wireless | Laurel236 |
| 240-460 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-461 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-462 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-463 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-464 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-465 | Peerless Network Of Maryland | Landline | Wshngtnzn2 |
| 240-466 | AT&T Mobility | Wireless | Mechancsvl |
| 240-467 | Comcast | Landline | Wshngtnzn4 |
| 240-468 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-469 | Omnipoint Communications Cap Operations | Landline | Hagerstown |
| 240-470 | Verizon Wireless | Wireless | Laurel236 |
| 240-471 | Onvoy | Landline | Wsngtnzn12 |
| 240-472 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-473 | Paetec Itel | Landline | Wsng236Z13 |
| 240-474 | Baltimore-Washington Telephone (Bwt) | Landline | Gaithersbg |
| 240-475 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-476 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-477 | Paetec Itel | Landline | Gaithersbg |
| 240-478 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-479 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-480 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-481 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-482 | Paetec Itel | Landline | Wshngtnzn2 |
| 240-483 | Comcast | Landline | Wshngtnzn2 |
| 240-484 | AT&T Mobility | Wireless | Laurel236 |
| 240-485 | Paetec Itel | Landline | Wshngtnzn3 |
| 240-486 | Omnipoint Communications Cap Operations | Landline | Wsng236Z14 |
| 240-487 | Paetec Itel | Landline | Wshngtnzn4 |
| 240-488 | Shentel Communications | Landline | Oakland |
| 240-489 | MCI/Verizon | Wireless | Poolesvl |
| 240-490 | Omnipoint Communications Cap Operations | Landline | Middletown |
| 240-491 | Lumen/Level 3 | Landline | Wshngtnzn3 |
| 240-492 | Paetec Itel | Landline | Wshngtnzn5 |
| 240-493 | Paetec Itel | Landline | Wshngtnzn6 |
| 240-494 | Paetec Itel | Landline | Wshngtnzn3 |
| 240-495 | Verizon Wireless | Wireless | Wshngtnzn4 |
| 240-496 | Verizon Wireless | Wireless | Leonardtn |
| 240-497 | Verizon Maryland | Landline | Wshngtnzn2 |
| 240-498 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-499 | Paetec Itel | Landline | Wsngtnzn10 |
| 240-500 | Paetec Itel | Landline | Hagerstown |
| 240-501 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-502 | Bandwidth.com | Landline | Wshngtnzn3 |
| 240-503 | Peerless Network Of Maryland | Landline | Tompkinsvl |
| 240-504 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-505 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-506 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-507 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-508 | Metro by T-Mobile | Wireless | Wshngtnzn5 |
| 240-509 | Bandwidth.com | Landline | Wsng238Z14 |
| 240-510 | MCI/Verizon | Wireless | Wsng236Z15 |
| 240-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-512 | Core Communications | Landline | Wsng238Z13 |
| 240-513 | Omnipoint Communications Cap Operations | Landline | Hagerstown |
| 240-514 | Paetec Itel | Landline | Wsngtnzn11 |
| 240-515 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-516 | Paetec Itel | Landline | Wsngtnzn12 |
| 240-517 | Verizon Wireless | Wireless | Laurel238 |
| 240-518 | Nuso | Landline | Waldorf |
| 240-519 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-520 | Omnipoint Communications Cap Operations | Landline | Hagerstown |
| 240-521 | AT&T Mobility | Wireless | Laurel236 |
| 240-522 | Metro by T-Mobile | Wireless | Cumberland |
| 240-523 | MCI/Verizon | Wireless | La Plata |
| 240-524 | Peerless Network Of Maryland | Landline | Laurel236 |
| 240-525 | Peerless Network Of Maryland | Landline | Wsng236Z15 |
| 240-526 | Peerless Network Of Maryland | Landline | Leonardtn |
| 240-527 | Verizon Maryland | Landline | Hagerstown |
| 240-528 | Lumen/Level 3 | Landline | Hughesvl |
| 240-529 | Verizon Maryland | Landline | Frederick |
| 240-530 | Core Communications | Landline | Waldorf |
| 240-531 | Telnyx | Landline | Wshngtnzn3 |
| 240-532 | Verizon Wireless | Wireless | Wshngtnzn5 |
| 240-533 | Teleport Communications America | Landline | Wshngtnzn3 |
| 240-534 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-535 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-536 | Peerless Network Of Maryland | Landline | Ashton236 |
| 240-537 | Atlantech Online | Landline | Hagerstown |
| 240-538 | MCI/Verizon | Wireless | Leonardtn |
| 240-539 | Peerless Network Of Maryland | Landline | Wshngtnzn4 |
| 240-540 | The Voice Application Network | Landline | Wsng238Z13 |
| 240-541 | AT&T Mobility | Wireless | Wshngtnzn2 |
| 240-542 | Paetec Itel | Landline | Wsng236Z13 |
| 240-543 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-544 | Paetec Itel | Landline | Wsng236Z14 |
| 240-545 | Paetec Itel | Landline | Wsng236Z15 |
| 240-546 | Paetec Itel | Landline | Wsngtnzn16 |
| 240-547 | Lumen/Level 3 | Landline | Laurel236 |
| 240-548 | Core Communications | Landline | Wsng236Z14 |
| 240-549 | Verizon Wireless | Wireless | Frederick |
| 240-550 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-551 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-552 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-553 | MCI/Verizon | Wireless | Wsng236Z13 |
| 240-554 | MCI/Verizon | Wireless | Laurel236 |
| 240-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 240-556 | Paetec Itel | Landline | Wsng236Z14 |
| 240-557 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn6 |
| 240-558 | Paetec Itel | Landline | Wsngtnzn11 |
| 240-559 | MCI/Verizon | Wireless | Ashton236 |
| 240-560 | MCI/Verizon | Wireless | Wsngtnzn12 |
| 240-561 | Verizon Wireless | Wireless | Leonardtn |
| 240-562 | MCI/Verizon | Wireless | Gaithersbg |
| 240-563 | Onvoy | Landline | Wshngtnzn5 |
| 240-564 | Omnipoint Communications Cap Operations | Landline | Laurel236 |
| 240-565 | Omnipoint Communications Cap Operations | Landline | Laurel238 |
| 240-566 | Verizon Maryland | Landline | Frederick |
| 240-567 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-568 | Verizon Maryland | Landline | Laurel236 |
| 240-569 | Bandwidth.com | Landline | Flintstone |
| 240-570 | Onvoy | Landline | Ashton238 |
| 240-571 | Verizon Wireless | Wireless | Laurel238 |
| 240-572 | Verizon Wireless | Wireless | Leonardtn |
| 240-573 | Lumen/Level 3 | Landline | Wsng236Z15 |
| 240-574 | AT&T Mobility | Wireless | Friendsvl |
| 240-575 | Lumen/Level 3 | Landline | Frederick |
| 240-576 | Vonage | Landline | Hagerstown |
| 240-577 | Verizon Wireless | Wireless | Leonardtn |
| 240-578 | Verizon Wireless | Wireless | Frederick |
| 240-579 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-580 | Omnipoint Communications Cap Operations | Landline | Cumberland |
| 240-581 | Paetec Itel | Landline | Laurel236 |
| 240-582 | Verizon Maryland | Landline | Wshngtnzn4 |
| 240-583 | Verizon Maryland | Landline | Laurel236 |
| 240-584 | Omnipoint Communications Cap Operations | Landline | Laurel236 |
| 240-585 | Verizon Wireless | Wireless | Waldorf |
| 240-586 | Verizon Maryland | Landline | Frederick |
| 240-587 | Verizon Wireless | Wireless | Leonardtn |
| 240-588 | MCI/Verizon | Wireless | Grantsvl |
| 240-589 | AT&T Mobility | Wireless | Mccoole |
| 240-590 | Metro by T-Mobile | Wireless | Wsngtnzn12 |
| 240-591 | Shentel Communications | Landline | Hagerstown |
| 240-592 | Verizon Maryland | Landline | Wsng236Z13 |
| 240-593 | Omnipoint Communications Cap Operations | Landline | Laurel238 |
| 240-594 | Bandwidth.com | Landline | Bittinger |
| 240-595 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-596 | Core Communications | Landline | Ashton236 |
| 240-597 | Peerless Network Of Maryland | Landline | Gaithersbg |
| 240-598 | Core Communications | Landline | Hughesvl |
| 240-599 | Lumen/Level 3 | Landline | Wsngtnzn10 |
| 240-600 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-601 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-602 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-603 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-604 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-605 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-606 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-607 | Lumen/Level 3 | Landline | Waldorf |
| 240-608 | Nuso | Landline | Frederick |
| 240-609 | AT&T Mobility | Wireless | Cumberland |
| 240-610 | Core Communications | Landline | Wshngtnzn4 |
| 240-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-612 | Lumen/Level 3 | Landline | Wshngtnzn5 |
| 240-613 | Paetec Itel | Landline | Wshngtnzn4 |
| 240-614 | Metro by T-Mobile | Wireless | Wsngtnzn10 |
| 240-615 | Metro by T-Mobile | Wireless | Wshngtnzn4 |
| 240-616 | MCI/Verizon | Wireless | Wsng236Z13 |
| 240-617 | Bandwidth.com | Landline | Highfield |
| 240-618 | Verizon Wireless | Wireless | Wsngtnzn10 |
| 240-619 | Comcast | Landline | Wshngtnzn5 |
| 240-620 | MCI/Verizon | Wireless | Wsngtnzn10 |
| 240-621 | Bandwidth.com | Landline | Wsngtnzn11 |
| 240-622 | Core Communications | Landline | La Plata |
| 240-623 | Bandwidth.com | Landline | Wshngtnzn4 |
| 240-624 | Verizon Maryland | Landline | Wsng236Z13 |
| 240-625 | Metro by T-Mobile | Wireless | Hagerstown |
| 240-626 | Omnipoint Communications Cap Operations | Landline | Frederick |
| 240-627 | Lumen/Level 3 | Landline | Wsngtnzn11 |
| 240-628 | Core Communications | Landline | Mechancsvl |
| 240-629 | Verizon Maryland | Landline | Frederick |
| 240-630 | Bandwidth.com | Landline | Wshngtnzn2 |
| 240-631 | Verizon Maryland | Landline | Gaithersbg |
| 240-632 | Verizon Maryland | Landline | Gaithersbg |
| 240-633 | Baltimore-Washington Telephone (Bwt) | Landline | Hughesvl |
| 240-634 | Core Communications | Landline | Ridge |
| 240-635 | Core Communications | Landline | Tompkinsvl |
| 240-636 | Omnipoint Communications Cap Operations | Landline | Laurel236 |
| 240-637 | Core Communications | Landline | Wshngtnzn3 |
| 240-638 | Lumen/Level 3 | Landline | Wshngtnzn3 |
| 240-639 | Core Communications | Landline | Laurel236 |
| 240-640 | AT&T Mobility | Wireless | Waldorf |
| 240-641 | Peerless Network Of Maryland | Landline | Wshngtnzn3 |
| 240-642 | Advanced Telecom Solutions | Landline | Wsngtnzn10 |
| 240-643 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-644 | MCI/Verizon | Wireless | Wshngtnzn2 |
| 240-645 | MCI/Verizon | Wireless | Wshngtnzn3 |
| 240-646 | Paetec Itel | Landline | Laurel236 |
| 240-647 | Core Communications | Landline | Clear Spg |
| 240-648 | Core Communications | Landline | Keedysvl |
| 240-649 | Core Communications | Landline | Smithsburg |
| 240-650 | Onvoy | Landline | Wshngtnzn3 |
| 240-651 | Verizon Wireless | Wireless | Frederick |
| 240-652 | MCI/Verizon | Wireless | Mechancsvl |
| 240-653 | Peerless Network Of Maryland | Landline | Laurel238 |
| 240-654 | AT&T Mobility | Wireless | Gaithersbg |
| 240-655 | Onvoy | Landline | Kitzmiller |
| 240-656 | AT&T Mobility | Wireless | Frederick |
| 240-657 | MCI/Verizon | Wireless | Frostburg |
| 240-658 | Vonage | Landline | Gaithersbg |
| 240-659 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-660 | Verizon Wireless | Wireless | Wsngtnzn10 |
| 240-661 | Baltimore-Washington Telephone (Bwt) | Landline | Lxtnpkgrml |
| 240-662 | Verizon Maryland | Landline | Wshngtnzn3 |
| 240-663 | Omnipoint Communications Cap Operations | Landline | Middletown |
| 240-664 | Peerless Network Of Maryland | Landline | Cumberland |
| 240-665 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-666 | Onvoy | Landline | Nanjemoy |
| 240-667 | Lumen/Level 3 | Landline | Wshngtnzn4 |
| 240-668 | Starpower Communications | Landline | Damascs236 |
| 240-669 | Comcast | Landline | Wsngtnzn11 |
| 240-670 | Bandwidth.com | Landline | Wshngtnzn3 |
| 240-671 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-672 | Verizon Wireless | Wireless | Wsngtnzn10 |
| 240-673 | Bandwidth.com | Landline | Wshngtnzn2 |
| 240-674 | Metro by T-Mobile | Wireless | Frederick |
| 240-675 | AT&T Mobility | Wireless | Myersville |
| 240-676 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-677 | MCI/Verizon | Wireless | Wshngtnzn5 |
| 240-678 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-679 | Core Communications | Landline | Friendsvl |
| 240-680 | Peerless Network Of Maryland | Landline | Frederick |
| 240-681 | Paetec Itel | Landline | Brandywine |
| 240-682 | Starpower Communications | Landline | Waldorf |
| 240-683 | Verizon Maryland | Landline | Gaithersbg |
| 240-684 | Verizon Maryland | Landline | Wsng236Z13 |
| 240-685 | Lumen/Level 3 | Landline | Brandywine |
| 240-686 | Verizon Maryland | Landline | Gaithersbg |
| 240-687 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-688 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-689 | Csc Wireless | Wireless | Wsng236Z15 |
| 240-690 | Teleport Communications America | Landline | Gaithersbg |
| 240-691 | Lumen/Level 3 | Landline | Wshngtnzn5 |
| 240-692 | Lumen/Level 3 | Landline | Grantsvl |
| 240-693 | Peerless Network Of Maryland | Landline | Walkersvl |
| 240-694 | Verizon Maryland | Landline | Wshngtnzn2 |
| 240-695 | Verizon Maryland | Landline | Wshngtnzn5 |
| 240-696 | Lumen/Level 3 | Landline | Wshngtnzn4 |
| 240-697 | Coretel Maryland | Landline | Mechancsvl |
| 240-698 | Omnipoint Communications Cap Operations | Landline | Myersville |
| 240-699 | Verizon Maryland | Landline | Buckeystn |
| 240-700 | Landline | ||
| 240-701 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-702 | Verizon Wireless | Wireless | Gaithersbg |
| 240-703 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-704 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-705 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-706 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-707 | AT&T Mobility | Wireless | Hagerstown |
| 240-708 | Lumen/Level 3 | Landline | Laurel238 |
| 240-709 | Omnipoint Communications Cap Operations | Landline | Laurel236 |
| 240-710 | MCI/Verizon | Wireless | Frederick |
| 240-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-712 | Verizon Wireless | Wireless | Laurel238 |
| 240-713 | Peerless Network Of Maryland | Landline | Laurel236 |
| 240-714 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-715 | Lumen/Level 3 | Landline | Wsngtnzn10 |
| 240-716 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn5 |
| 240-717 | Spectrum | Landline | Leonardtn |
| 240-718 | MCI/Verizon | Wireless | Lxtnpkgrml |
| 240-719 | Verizon Wireless | Wireless | Wshngtnzn5 |
| 240-720 | Lumen/Level 3 | Landline | Gaithersbg |
| 240-721 | Verizon Maryland | Landline | Wshngtnzn5 |
| 240-722 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-723 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-724 | Paetec Itel | Landline | Wshngtnzn6 |
| 240-725 | Verizon Maryland | Landline | Lxtnpkgrml |
| 240-726 | Nuso | Landline | Wshngtnzn4 |
| 240-727 | AT&T Mobility | Wireless | Cumberland |
| 240-728 | Vonage | Landline | Wsngtnzn10 |
| 240-729 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-730 | Hd Carrier | Landline | Hagerstown |
| 240-731 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-732 | AT&T Mobility | Wireless | Mount Airy |
| 240-733 | Fractel | Landline | Ashton236 |
| 240-734 | Bandwidth.com | Landline | Smithsburg |
| 240-735 | Nuso | Landline | Brunswick |
| 240-736 | AT&T Mobility | Wireless | Laurel236 |
| 240-737 | Paetec Itel | Landline | Wshngtnzn4 |
| 240-738 | Verizon Wireless | Wireless | Hancock |
| 240-739 | Ip Horizon | Landline | Frederick |
| 240-740 | Atlantech Online | Landline | Wsngtnzn10 |
| 240-741 | Airespring | Landline | Frederick |
| 240-742 | Nuso | Landline | Wsng238Z14 |
| 240-743 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-744 | Lumen/Level 3 | Landline | Wshngtnzn2 |
| 240-745 | MCI/Verizon | Wireless | Damascs236 |
| 240-746 | AT&T | Landline | Brandywine |
| 240-747 | Paetec Itel | Landline | Wsngtnzn11 |
| 240-748 | Teleport Communications America | Landline | Wshngtnzn3 |
| 240-749 | Verizon Wireless | Wireless | Laurel238 |
| 240-750 | AT&T Mobility | Wireless | Gaithersbg |
| 240-751 | Lumen/Level 3 | Landline | Gaithersbg |
| 240-752 | Lumen/Level 3 | Landline | Wshngtnzn2 |
| 240-753 | Lumen/Level 3 | Landline | Wsngtnzn10 |
| 240-754 | Lumen/Level 3 | Landline | Waldorf |
| 240-755 | Comcast | Landline | Laurel238 |
| 240-756 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-757 | Peerless Network Of Maryland | Landline | Wsng236Z13 |
| 240-758 | AT&T Mobility | Wireless | Laurel236 |
| 240-759 | Onvoy | Landline | Wsng238Z15 |
| 240-760 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-761 | AT&T Mobility | Wireless | Laurel236 |
| 240-762 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-763 | Bandwidth.com | Landline | Wsng238Z15 |
| 240-764 | MCI/Verizon | Wireless | Wshngtnzn4 |
| 240-765 | MCI/Verizon | Wireless | Wshngtnzn5 |
| 240-766 | MCI/Verizon | Wireless | Wshngtnzn6 |
| 240-767 | Paetec Itel | Landline | Wshngtnzn5 |
| 240-768 | Spectrum | Landline | Nanjemoy |
| 240-769 | Bandwidth.com | Landline | Keedysvl |
| 240-770 | Comcast | Landline | Wshngtnzn4 |
| 240-771 | Onvoy | Landline | Poolesvl |
| 240-772 | Verizon Wireless | Wireless | Frederick |
| 240-773 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-774 | Bandwidth.com | Landline | Lonaconing |
| 240-775 | Bandwidth.com | Landline | Westernpt |
| 240-776 | Lumen/Level 3 | Landline | La Plata |
| 240-777 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-778 | MCI/Verizon | Wireless | Wsngtnzn10 |
| 240-779 | Paetec Itel | Landline | Ashton236 |
| 240-780 | Lumen/Level 3 | Landline | Gaithersbg |
| 240-781 | MCI/Verizon | Wireless | Wshngtnzn2 |
| 240-782 | Onvoy | Landline | Damascs236 |
| 240-783 | Mte | Landline | Wshngtnzn2 |
| 240-784 | Omnipoint Communications Cap Operations | Landline | Myersville |
| 240-785 | Bandwidth.com | Landline | Oakland |
| 240-786 | Lumen/Level 3 | Landline | Laurel236 |
| 240-787 | Lumen/Level 3 | Landline | Brandywine |
| 240-788 | Lumen/Level 3 | Landline | Wshngtnzn5 |
| 240-789 | Advanced Telecom Solutions | Landline | Wsngtnzn10 |
| 240-790 | Lumen/Level 3 | Landline | Wsng236Z13 |
| 240-791 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-792 | Omnipoint Communications Cap Operations | Landline | Frederick |
| 240-793 | Metro by T-Mobile | Wireless | Gaithersbg |
| 240-794 | Lumen/Level 3 | Landline | Lxtnpkgrml |
| 240-795 | Verizon Wireless | Wireless | Wshngtnzn5 |
| 240-796 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-797 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-798 | Onvoy | Landline | Gaithersbg |
| 240-799 | Fractel | Landline | Brandywine |
| 240-800 | Core Communications | Landline | Wshngtnzn2 |
| 240-801 | Verizon Wireless | Wireless | Gaithersbg |
| 240-802 | Nuso | Landline | Wshngtnzn2 |
| 240-803 | AT&T Mobility | Wireless | Cumberland |
| 240-804 | Onvoy | Landline | Tompkinsvl |
| 240-805 | Verizon Wireless | Wireless | Gaithersbg |
| 240-806 | Peerless Network Of Maryland | Landline | Indianhead |
| 240-807 | Uscoc Of Cumberland | Landline | Cumberland |
| 240-808 | Verizon Wireless | Wireless | Leonardtn |
| 240-809 | Onvoy | Landline | Smithsburg |
| 240-810 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-812 | Lumen/Level 3 | Landline | Poolesvl |
| 240-813 | Paetec Itel | Landline | Gaithersbg |
| 240-814 | Verizon Wireless | Wireless | Laurel236 |
| 240-815 | Verizon Wireless | Wireless | Frederick |
| 240-816 | Bandwidth.com | Landline | Keedysvl |
| 240-817 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-818 | Verizon Wireless | Wireless | Myersville |
| 240-819 | Onvoy | Landline | Williamspt |
| 240-820 | Onvoy | Landline | Ashton238 |
| 240-821 | Paetec Itel | Landline | Wshngtnzn3 |
| 240-822 | Onvoy | Landline | New Market |
| 240-823 | MCI/Verizon | Wireless | Brandywine |
| 240-824 | Onvoy | Landline | Frostburg |
| 240-825 | Verizon Wireless | Wireless | Wshngtnzn4 |
| 240-826 | Verizon Maryland | Landline | Wsngtnzn10 |
| 240-827 | Onvoy | Landline | Lonaconing |
| 240-828 | Telnyx | Landline | Wshngtnzn4 |
| 240-829 | Coretel Maryland | Landline | Emmitsburg |
| 240-830 | Comcast | Landline | Wshngtnzn5 |
| 240-831 | Onvoy | Landline | Frederick |
| 240-832 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-833 | MCI/Verizon | Wireless | Wsngtnzn11 |
| 240-834 | Onvoy | Landline | Kitzmiller |
| 240-835 | Spectrum | Landline | Clear Spg |
| 240-836 | Onvoy | Landline | Mt Savage |
| 240-837 | MCI/Verizon | Wireless | Hughesvl |
| 240-838 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn5 |
| 240-839 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-840 | Spectrum | Landline | Frederick |
| 240-841 | MCI/Verizon | Wireless | Laurel238 |
| 240-842 | MCI/Verizon | Wireless | Wsng238Z14 |
| 240-843 | MCI/Verizon | Wireless | Wsng238Z13 |
| 240-844 | Onvoy | Landline | Ridge |
| 240-845 | MCI/Verizon | Wireless | Wsng236Z13 |
| 240-846 | MCI/Verizon | Wireless | Wsngtnzn16 |
| 240-847 | Onvoy | Landline | Wshngtnzn3 |
| 240-848 | Metro by T-Mobile | Wireless | Gaithersbg |
| 240-849 | Teleport Communications America | Landline | Hagerstown |
| 240-850 | Peerless Network Of Maryland | Landline | Hagerstown |
| 240-851 | Onvoy | Landline | Mccoole |
| 240-852 | Omnipoint Communications Cap Operations | Landline | Myersville |
| 240-853 | Bandwidth.com | Landline | Laurel236 |
| 240-854 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-855 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-856 | Verizon Wireless | Wireless | Laurel238 |
| 240-857 | Lumen/Level 3 | Landline | Wshngtnzn5 |
| 240-858 | Verizon Wireless | Wireless | Wshngtnzn2 |
| 240-859 | Onvoy | Landline | Ashton238 |
| 240-860 | Peerless Network Of Maryland | Landline | Cumberland |
| 240-861 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-862 | Onvoy | Landline | Mt Savage |
| 240-863 | Lumen/Level 3 | Landline | Wshngtnzn3 |
| 240-864 | Paetec Itel | Landline | Wsngtnzn10 |
| 240-865 | Lumen/Level 3 | Landline | Wsng238Z14 |
| 240-866 | Terra Nova Telecom | Landline | Hagerstown |
| 240-867 | Commio | Landline | Wshngtnzn3 |
| 240-868 | Paetec Itel | Landline | Wsngtnzn12 |
| 240-869 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-870 | Onvoy | Landline | Middletown |
| 240-871 | Omnipoint Communications Cap Operations | Landline | Lxtnpkgrml |
| 240-872 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn6 |
| 240-873 | Onvoy | Landline | Buckeystn |
| 240-874 | Onvoy | Landline | Thurmont |
| 240-875 | Onvoy | Landline | Mount Airy |
| 240-876 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-877 | Onvoy | Landline | Frederick |
| 240-878 | Commio | Landline | Hagerstown |
| 240-879 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-880 | Lumen/Level 3 | Landline | Wsngtnzn11 |
| 240-881 | Bandwidth.com | Landline | Wsng238Z13 |
| 240-882 | Metro by T-Mobile | Wireless | Wshngtnzn5 |
| 240-883 | Lumen/Level 3 | Landline | Ashton236 |
| 240-884 | Spectrum | Landline | Tompkinsvl |
| 240-885 | Onvoy | Landline | Wsngtnzn10 |
| 240-886 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-887 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-888 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-889 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-890 | Verizon Wireless | Wireless | Wshngtnzn5 |
| 240-891 | Lumen/Level 3 | Landline | Damascs240 |
| 240-892 | Lumen/Level 3 | Landline | Wsng236Z15 |
| 240-893 | AT&T Mobility | Wireless | Wshngtnzn3 |
| 240-894 | Boost Subscriberco | Wireless | Lxtnpkgrml |
| 240-895 | Verizon Maryland | Landline | Lxtnpkgrml |
| 240-896 | Boost Subscriberco | Wireless | Hagerstown |
| 240-897 | Lumen/Level 3 | Landline | Wsngtnzn16 |
| 240-898 | Lumen/Level 3 | Landline | Wshngtnzn4 |
| 240-899 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn2 |
| 240-900 | Onvoy | Landline | Wshngtnzn4 |
| 240-901 | CenturyLink | Landline | La Plata |
| 240-902 | Twilio | Landline | Damascs240 |
| 240-903 | Comcast | Landline | Indianhead |
| 240-904 | Verizon Wireless | Wireless | Laurel238 |
| 240-905 | Metro by T-Mobile | Wireless | Brandywine |
| 240-906 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-907 | Verizon Wireless | Wireless | Wsngtnzn10 |
| 240-908 | Onvoy | Landline | Walkersvl |
| 240-909 | Metro by T-Mobile | Wireless | Laurel236 |
| 240-910 | Onvoy | Landline | Frederick |
| 240-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-912 | Paetec Itel | Landline | Gaithersbg |
| 240-913 | Onvoy | Landline | Damascs240 |
| 240-914 | Boost Subscriberco | Wireless | Highfield |
| 240-915 | Telnyx | Landline | New Market |
| 240-916 | Omnipoint Communications Cap Operations | Landline | Cumberland |
| 240-917 | AT&T Mobility | Wireless | Laurel236 |
| 240-918 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-919 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-920 | Lumen/Level 3 | Landline | Cumberland |
| 240-921 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-922 | Fractel | Landline | Wsngtnzn11 |
| 240-923 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn6 |
| 240-924 | Bandwidth.com | Landline | Mount Airy |
| 240-925 | Verizon Wireless | Wireless | Leonardtn |
| 240-926 | Omnipoint Communications Cap Operations | Landline | Hughesvl |
| 240-927 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-928 | AT&T Mobility | Wireless | Myersville |
| 240-929 | Paetec Itel | Landline | Wsng236Z14 |
| 240-930 | Verizon Wireless | Wireless | Laurel238 |
| 240-931 | Nuso | Landline | Frederick |
| 240-932 | Bandwidth.com | Landline | Wsng236Z14 |
| 240-933 | Ton80 Communications | Landline | Buckeystn |
| 240-934 | Ton80 Communications | Landline | Middletown |
| 240-935 | Verizon Wireless | Wireless | Laurel236 |
| 240-936 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-937 | Bandwidth.com | Landline | Gaithersbg |
| 240-938 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-939 | Bandwidth.com | Landline | Wsngtnzn11 |
| 240-940 | Bandwidth.com | Landline | Wshngtnzn4 |
| 240-941 | Bandwidth.com | Landline | Wshngtnzn2 |
| 240-942 | Onvoy | Landline | Bittinger |
| 240-943 | Comcast | Landline | Frostburg |
| 240-944 | Onvoy | Landline | Westernpt |
| 240-945 | Onvoy | Landline | Wshngtnzn3 |
| 240-946 | Fractel | Landline | Wsng236Z14 |
| 240-947 | AT&T Mobility | Wireless | Myersville |
| 240-948 | Bandwidth.com | Landline | Leonardtn |
| 240-949 | Paetec Itel | Landline | Wsngtnzn16 |
| 240-950 | Landline | ||
| 240-951 | Teleport Communications America | Landline | Hagerstown |
| 240-952 | Teleport Communications America | Landline | Hagerstown |
| 240-953 | Teleport Communications America | Landline | Hagerstown |
| 240-954 | Teleport Communications America | Landline | Hagerstown |
| 240-955 | Bandwidth.com | Landline | La Plata |
| 240-956 | Onvoy | Landline | Wshngtnzn2 |
| 240-957 | Bandwidth.com | Landline | Damascs236 |
| 240-958 | Landline | ||
| 240-959 | Landline | ||
| 240-960 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn4 |
| 240-961 | Verizon Wireless | Wireless | Poolesvl |
| 240-962 | Verizon Wireless | Wireless | Laurel236 |
| 240-963 | Bandwidth.com | Landline | Wshngtnzn3 |
| 240-964 | Verizon Maryland | Landline | Cumberland |
| 240-965 | Paetec Itel | Landline | Wsng236Z13 |
| 240-966 | Ton80 Communications | Landline | Wsngtnzn16 |
| 240-967 | Verizon Wireless | Wireless | Cumberland |
| 240-968 | AT&T Mobility | Wireless | Laurel236 |
| 240-969 | Commio | Landline | Walkersvl |
| 240-970 | Onvoy | Landline | Wsngtnzn12 |
| 240-971 | CenturyLink | Landline | Frederick |
| 240-972 | Baltimore-Washington Telephone (Bwt) | Landline | Laurel238 |
| 240-973 | Metro by T-Mobile | Wireless | Wsngtnzn12 |
| 240-974 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-975 | Verizon Wireless | Wireless | Laurel238 |
| 240-976 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 240-977 | Onvoy | Landline | Wshngtnzn6 |
| 240-978 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-979 | Lumen/Level 3 | Landline | Cumberland |
| 240-980 | Verizon Wireless | Wireless | Leonardtn |
| 240-981 | Nuso | Landline | Gaithersbg |
| 240-982 | Onvoy | Landline | Gaithersbg |
| 240-983 | Nuso | Landline | Hagerstown |
| 240-984 | Teleport Communications America | Landline | New Market |
| 240-985 | CenturyLink | Landline | Williamspt |
| 240-986 | Onvoy | Landline | Nanjemoy |
| 240-987 | AT&T Mobility | Wireless | Wsngtnzn10 |
| 240-988 | Omnipoint Communications Cap Operations | Landline | Wshngtnzn3 |
| 240-989 | AT&T Mobility | Wireless | Myersville |
| 240-990 | AT&T Mobility | Wireless | Laurel236 |
| 240-991 | Omnipoint Communications Cap Operations | Landline | Ashton236 |
| 240-992 | Omnipoint Communications Cap Operations | Landline | Wsngtnzn10 |
| 240-993 | MCI/Verizon | Wireless | Indianhead |
| 240-994 | Verizon Wireless | Wireless | Wsngtnzn10 |
| 240-995 | Onvoy | Landline | Flintstone |
| 240-996 | Lumen/Level 3 | Landline | Brunswick |
| 240-997 | Verizon Wireless | Wireless | Wshngtnzn3 |
| 240-998 | CenturyLink | Landline | Hancock |
| 240-999 | Verizon Maryland | Landline | Xxxxxxxxxx |
All 6 area codes in Maryland
About Area Code 240
Area code 240 popped up in 1997 to handle the growing demand for phone numbers in Maryland, especially around the DC suburbs. Picture this: back then, the old 301 code was swamped with calls from folks in places like Bethesda and Gaithersburg, so officials decided to layer on 240 as an overlay. That meant you could snag a 240 number right alongside a 301 one without redrawing the map. It's all about keeping up with the times in a state that's always buzzing with government work and daily commutes. This code blankets a bunch of spots from the leafy streets of Germantown to the historic vibes in Frederick and the college crowds in College Park. You'll find everything from tech pros in Bowie to families in Hagerstown, making 240 a real mix of urban energy and quiet corners. What sets it apart is how it ties into the Eastern Time Zone, where life's rhythm syncs with the nation's capital just a stone's throw away. Folks here deal with traffic jams on the way to D.C. jobs, but they also enjoy weekend hikes in the nearby hills. Over the years, 240 has become a staple for Marylanders, connecting neighbors in places like Cumberland for everything from school chats to business deals. It's not just digits on a phone; it's the lifeline for a community that's grown and changed, always adapting to new folks moving in and new tech rolling out.
⚠ Scam & Spam Alert for 240
If you're getting calls from 240 numbers, watch out for the usual tricks that hit Maryland residents. IRS scams top the list, with callers pretending to be agents demanding immediate payment for supposed back taxes—they'll even threaten jail time. Then there's the auto warranty racket, where smooth talkers say your car's coverage is about to lapse and pressure you to give card details on the spot. Don't forget Medicare fraud either; scammers pose as health officials offering free equipment or upgrades to snag personal info. These pests are crafty, but you can shut them down by hanging up and calling back on a verified number. A simple tip: always check the caller's legitimacy through official channels before you say a word. It keeps things straightforward and your info safe.
Local Snapshot
Germantown's got a population pushing 90,000, making it one of Maryland's busier spots with families and young pros filling the neighborhoods. The area's economy runs on tech and biotech firms, drawing in workers from places like Gaithersburg for jobs that keep innovation humming. Maryland is famous for its crab cakes and Chesapeake Bay vibes, but around here, people flock to spots like Seneca Creek State Park for a quick escape from the daily grind. Here's something that might surprise you: this region houses parts of the National Institutes of Health, where cutting research on diseases happens right in your backyard, blending science with everyday life in unexpected ways.
Frequently Asked Questions
Where is area code 240?
Area code 240 serves Germantown and surrounding communities in Maryland, including Bethesda, Bowie, College Park, Cumberland, Frederick and 6 more. It is in the Eastern time zone.
What cities are in area code 240?
Area code 240 covers 11 cities in Maryland: Bethesda, Bowie, College Park, Cumberland, Frederick, Gaithersburg, Germantown, Hagerstown, Laurel, Rockville, and 1 more
What time zone is 240?
Area code 240 is in the Eastern time zone (UTC-5).
When was area code 240 created?
Area code 240 was established in 1997 as an overlay to provide additional numbers for the region.
Is 240 a legitimate area code?
Yes, 240 is a valid, active area code assigned to Germantown, Maryland. However, scammers can spoof any area code, so receiving a call from 240 doesn't guarantee the caller is actually in this area.
What major historical sites are in the cities covered by area code 240?
Frederick in area code 240 features the Civil War-era National Museum of Civil War Medicine and the Barbara Fritchie House. Gaithersburg hosts the Gaithersburg City Hall and nearby Seneca Creek State Park, which includes historical trails. College Park is home to the University of Maryland, established in 1856, with its extensive archives on American history.
How does area code 240 relate to the growth of technology firms in Maryland?
Area code 240 overlays regions like Gaithersburg and Bethesda, where companies such as Lockheed Martin and the National Institutes of Health are located, contributing to tech and research sectors. This code was introduced in 1997 to handle increasing demand from expanding industries in these areas. Many startups in biotechnology and government contracting operate here, drawing from the proximity to Washington D.C.
What local events highlight the culture of areas in area code 240?
Bowie hosts the annual African American Festival, celebrating the community's heritage with music and food. Bethesda features the National Harbor fireworks and outdoor concerts, reflecting its community gatherings. Germantown's BlackRock Center for the Arts offers performances that showcase local artists and cultural diversity.