State
Major City
Baltimore
Time Zone
Eastern (UTC-5)
Current Local Time
—
Cities Served
12
Cities Served by Area Code 410 (12 cities)
Additional Details
Established
1947
Type
Original (1947)
Active Prefixes
800
Wireless Lines
23%
About Area Code 410
Area code 410 is one of the original 86 area codes established in 1947 when AT&T and the Bell System created the North American Numbering Plan. It has served the Baltimore area for over 75 years. This area code shares its territory with overlay codes 443 and 667, meaning callers must dial all 10 digits for local calls. The area is in the Eastern time zone. It covers 12 cities and communities including Annapolis, Baltimore, Bel Air, Catonsville, Columbia and 7 more.
Phone Number Prefixes in Area Code 410
800 active NXX prefixes — 23% wireless, 77% landline. Each prefix (NXX) represents up to 10,000 phone numbers.
Verizon Maryland 510 (64%)Verizon Wireless 53 (7%)AT&T Mobility 51 (6%)MCI/Verizon 47 (6%)Usa Mobility Wireless 28 (4%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 410-200 | MCI/Verizon | Wireless | Easton |
| 410-201 | Verizon Maryland | Landline | Baltimore |
| 410-202 | Verizon Wireless | Wireless | Salisbury |
| 410-203 | Verizon Maryland | Landline | Ellicottcy |
| 410-204 | Verizon Maryland | Landline | Arbutus |
| 410-205 | AT&T Mobility | Wireless | Pikesville |
| 410-206 | AT&T Mobility | Wireless | Catonsvl |
| 410-207 | Verizon Wireless | Wireless | Baltimore |
| 410-208 | Verizon Maryland | Landline | Berlin |
| 410-209 | Verizon Maryland | Landline | Baltimore |
| 410-210 | Verizon Wireless | Wireless | Glenburnie |
| 410-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-212 | Omnipoint Communications Cap Operations | Landline | Annapolis |
| 410-213 | Verizon Maryland | Landline | Ocean City |
| 410-214 | Core Communications | Landline | Rising Sun |
| 410-215 | Verizon Wireless | Wireless | Baltimore |
| 410-216 | Verizon Maryland | Landline | Annapolis |
| 410-217 | Verizon Maryland | Landline | Baltimore |
| 410-218 | Verizon Wireless | Wireless | Baltimore |
| 410-219 | Verizon Maryland | Landline | Salisbury |
| 410-220 | Metro by T-Mobile | Wireless | Elkridge |
| 410-221 | Verizon Maryland | Landline | Cambridge |
| 410-222 | Verizon Maryland | Landline | Severn |
| 410-223 | Verizon Maryland | Landline | Baltimore |
| 410-224 | Verizon Maryland | Landline | Annapolis |
| 410-225 | Verizon Maryland | Landline | Baltimore |
| 410-226 | Verizon Maryland | Landline | Oxford |
| 410-227 | AT&T Mobility | Wireless | Catonsvl |
| 410-228 | Verizon Maryland | Landline | Cambridge |
| 410-229 | Verizon Maryland | Landline | Cockeysvl |
| 410-230 | Verizon Maryland | Landline | Baltimore |
| 410-231 | AT&T Mobility | Wireless | Solomons |
| 410-232 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-233 | Verizon Maryland | Landline | Baltimore |
| 410-234 | Verizon Maryland | Landline | Baltimore |
| 410-235 | Verizon Maryland | Landline | Baltimore |
| 410-236 | AT&T Mobility | Wireless | Towson |
| 410-237 | Verizon Maryland | Landline | Baltimore |
| 410-238 | Verizon Maryland | Landline | Essex |
| 410-239 | Verizon Maryland | Landline | Reisterstn |
| 410-240 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-241 | Verizon Wireless | Wireless | Baltimore |
| 410-242 | Verizon Maryland | Landline | Arbutus |
| 410-243 | Verizon Maryland | Landline | Baltimore |
| 410-244 | Verizon Maryland | Landline | Baltimore |
| 410-245 | AT&T Mobility | Wireless | Catonsvl |
| 410-246 | MCI/Verizon | Wireless | Baltimore |
| 410-247 | Verizon Maryland | Landline | Arbutus |
| 410-248 | Verizon Maryland | Landline | Parkville |
| 410-249 | Verizon Maryland | Landline | Towson |
| 410-250 | Verizon Maryland | Landline | Ocean City |
| 410-251 | Verizon Wireless | Wireless | Salisbury |
| 410-252 | Verizon Maryland | Landline | Towson |
| 410-253 | AT&T Mobility | Wireless | Easton |
| 410-254 | Verizon Maryland | Landline | Baltimore |
| 410-255 | Verizon Maryland | Landline | Argrgbsnis |
| 410-256 | Verizon Maryland | Landline | Parkville |
| 410-257 | Verizon Maryland | Landline | Northbeach |
| 410-258 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-259 | Verizon Wireless | Wireless | Westminstr |
| 410-260 | Verizon Maryland | Landline | Severna Pk |
| 410-261 | Verizon Maryland | Landline | Baltimore |
| 410-262 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-263 | Verizon Maryland | Landline | Annapolis |
| 410-264 | Verizon Maryland | Landline | Waterlo236 |
| 410-265 | Verizon Maryland | Landline | Woodlawn |
| 410-266 | Verizon Maryland | Landline | Annapolis |
| 410-267 | Verizon Maryland | Landline | Annapolis |
| 410-268 | Verizon Maryland | Landline | Annapolis |
| 410-269 | Verizon Maryland | Landline | Severna Pk |
| 410-270 | Redi-Call Communications Co | Landline | Salisbury |
| 410-271 | Verizon Wireless | Wireless | Annapolis |
| 410-272 | Verizon Maryland | Landline | Aberdeen |
| 410-273 | Verizon Maryland | Landline | Aberdeen |
| 410-274 | Verizon Wireless | Wireless | Baltimore |
| 410-275 | Verizon Maryland | Landline | Cecilton |
| 410-276 | Verizon Maryland | Landline | Baltimore |
| 410-277 | Verizon Maryland | Landline | Woodlawn |
| 410-278 | Verizon Maryland | Landline | Aberdeen |
| 410-279 | Verizon Wireless | Wireless | Annapolis |
| 410-280 | Verizon Maryland | Landline | Annapolis |
| 410-281 | Verizon Maryland | Landline | Woodlawn |
| 410-282 | Verizon Maryland | Landline | Dundalk |
| 410-283 | Usa Mobility Wireless | Wireless | Towson |
| 410-284 | Verizon Maryland | Landline | Dundalk |
| 410-285 | Verizon Maryland | Landline | Dundalk |
| 410-286 | Verizon Maryland | Landline | Northbeach |
| 410-287 | Verizon Maryland | Landline | North East |
| 410-288 | Verizon Maryland | Landline | Dundalk |
| 410-289 | Verizon Maryland | Landline | Ocean City |
| 410-290 | Verizon Maryland | Landline | Columbia |
| 410-291 | Verizon Maryland | Landline | Baltimore |
| 410-292 | AT&T Mobility | Wireless | Catonsvl |
| 410-293 | Paetec Itel | Landline | Annapolis |
| 410-294 | AT&T Mobility | Wireless | Catonsvl |
| 410-295 | Verizon Maryland | Landline | Annapolis |
| 410-296 | Verizon Maryland | Landline | Towson |
| 410-297 | Verizon Maryland | Landline | Aberdeen |
| 410-298 | Verizon Maryland | Landline | Woodlawn |
| 410-299 | Verizon Wireless | Wireless | Baltimore |
| 410-300 | Metro by T-Mobile | Wireless | Elkridge |
| 410-301 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-302 | AT&T Mobility | Wireless | Catonsvl |
| 410-303 | Verizon Wireless | Wireless | Baltimore |
| 410-304 | Idt America | Landline | Queenstown |
| 410-305 | Verizon Maryland | Landline | Odenton |
| 410-306 | Verizon Maryland | Landline | Aberdeen |
| 410-307 | Verizon Maryland | Landline | Towson |
| 410-308 | Verizon Maryland | Landline | Towson |
| 410-309 | Verizon Maryland | Landline | Columbia |
| 410-310 | Verizon Wireless | Wireless | Easton |
| 410-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-312 | Verizon Maryland | Landline | Columbia |
| 410-313 | Verizon Maryland | Landline | Ellicottcy |
| 410-314 | MCI/Verizon | Wireless | Arbutus |
| 410-315 | Verizon Maryland | Landline | Severna Pk |
| 410-316 | Verizon Maryland | Landline | Cockeysvl |
| 410-317 | MCI/Verizon | Wireless | Argrgbsnis |
| 410-318 | Verizon Maryland | Landline | Baltimore |
| 410-319 | Verizon Maryland | Landline | Baltimore |
| 410-320 | Omnipoint Communications Cap Operations | Landline | Annapolis |
| 410-321 | Verizon Maryland | Landline | Towson |
| 410-322 | AT&T Mobility | Wireless | Bel Air |
| 410-323 | Verizon Maryland | Landline | Baltimore |
| 410-324 | Verizon Maryland | Landline | Towson |
| 410-325 | Verizon Maryland | Landline | Baltimore |
| 410-326 | Verizon Maryland | Landline | Solomons |
| 410-327 | Verizon Maryland | Landline | Baltimore |
| 410-328 | Verizon Maryland | Landline | Baltimore |
| 410-329 | Verizon Maryland | Landline | Cockeysvl |
| 410-330 | AT&T Mobility | Wireless | Cambridge |
| 410-331 | Usa Mobility Wireless | Wireless | Elkridge |
| 410-332 | Verizon Maryland | Landline | Baltimore |
| 410-333 | Verizon Maryland | Landline | Baltimore |
| 410-334 | Verizon Maryland | Landline | Salisbury |
| 410-335 | Verizon Maryland | Landline | Chase |
| 410-336 | AT&T Mobility | Wireless | Baltimore |
| 410-337 | Verizon Maryland | Landline | Towson |
| 410-338 | Verizon Maryland | Landline | Baltimore |
| 410-339 | Verizon Maryland | Landline | Towson |
| 410-340 | AT&T Mobility | Wireless | Baltimore |
| 410-341 | Verizon Maryland | Landline | Salisbury |
| 410-342 | Verizon Maryland | Landline | Baltimore |
| 410-343 | Verizon Maryland | Landline | Sparksglnc |
| 410-344 | Verizon Maryland | Landline | Chase |
| 410-345 | Verizon Maryland | Landline | Pikesville |
| 410-346 | Verizon Maryland | Landline | Silver Run |
| 410-347 | Verizon Maryland | Landline | Baltimore |
| 410-348 | Verizon Maryland | Landline | Still Pond |
| 410-349 | Verizon Maryland | Landline | Annapolis |
| 410-350 | Verizon Maryland | Landline | Baltimore |
| 410-351 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-352 | Verizon Maryland | Landline | Bishopvl |
| 410-353 | Verizon Wireless | Wireless | Annapolis |
| 410-354 | Verizon Maryland | Landline | Baltimore |
| 410-355 | Verizon Maryland | Landline | Baltimore |
| 410-356 | Verizon Maryland | Landline | Pikesville |
| 410-357 | Verizon Maryland | Landline | Parkton |
| 410-358 | Verizon Maryland | Landline | Baltimore |
| 410-359 | Verizon Maryland | Landline | Baltimore |
| 410-360 | Verizon Maryland | Landline | Argrgbsnis |
| 410-361 | Verizon Maryland | Landline | Baltimore |
| 410-362 | Verizon Maryland | Landline | Baltimore |
| 410-363 | Verizon Maryland | Landline | Pikesville |
| 410-364 | Verizon Maryland | Landline | Hillsboro |
| 410-365 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-366 | Verizon Maryland | Landline | Baltimore |
| 410-367 | Verizon Maryland | Landline | Baltimore |
| 410-368 | Verizon Maryland | Landline | Baltimore |
| 410-369 | Lumen/Level 3 | Landline | Baltimore |
| 410-370 | AT&T Mobility | Wireless | Catonsvl |
| 410-371 | Verizon Wireless | Wireless | Baltimore |
| 410-372 | Verizon Maryland | Landline | Towson |
| 410-373 | Usa Mobility Wireless | Wireless | Towson |
| 410-374 | Verizon Maryland | Landline | Hampstead |
| 410-375 | Verizon Wireless | Wireless | Baltimore |
| 410-376 | Verizon Maryland | Landline | Vienna |
| 410-377 | Verizon Maryland | Landline | Towson |
| 410-378 | Verizon Maryland | Landline | Pt Deposit |
| 410-379 | Verizon Maryland | Landline | Elkridge |
| 410-380 | Redi-Call Communications Co | Landline | Salisbury |
| 410-381 | Verizon Maryland | Landline | Columbia |
| 410-382 | Verizon Wireless | Wireless | Baltimore |
| 410-383 | Verizon Maryland | Landline | Baltimore |
| 410-384 | Verizon Maryland | Landline | Severna Pk |
| 410-385 | Verizon Maryland | Landline | Baltimore |
| 410-386 | Verizon Maryland | Landline | Westminstr |
| 410-387 | Paetec Itel | Landline | Baltimore |
| 410-388 | Verizon Maryland | Landline | Sparrowspt |
| 410-389 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-390 | Teleport Communications America | Landline | Ocean City |
| 410-391 | Verizon Maryland | Landline | Essex |
| 410-392 | Verizon Maryland | Landline | Elkton |
| 410-393 | Verizon Maryland | Landline | Baltimore |
| 410-394 | Verizon Maryland | Landline | Solomons |
| 410-395 | Verizon Maryland | Landline | Arbutus |
| 410-396 | Verizon Maryland | Landline | Baltimore |
| 410-397 | Verizon Maryland | Landline | Wingate |
| 410-398 | Verizon Maryland | Landline | Elkton |
| 410-399 | Verizon Maryland | Landline | Bel Air |
| 410-400 | Paetec Itel | Landline | Baltimore |
| 410-401 | MCI/Verizon | Wireless | Brynpklncm |
| 410-402 | MCI/Verizon | Wireless | Catonsvl |
| 410-403 | MCI/Verizon | Wireless | Cockeysvl |
| 410-404 | Verizon Wireless | Wireless | Baltimore |
| 410-405 | Verizon Maryland | Landline | Fork |
| 410-406 | MCI/Verizon | Wireless | Essex |
| 410-407 | Verizon Maryland | Landline | Elkridge |
| 410-408 | Usa Mobility Wireless | Wireless | Towson |
| 410-409 | Verizon Wireless | Wireless | Baltimore |
| 410-410 | Spectrum | Landline | Baltimore |
| 410-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-412 | MCI/Verizon | Wireless | Glenburnie |
| 410-413 | MCI/Verizon | Wireless | Pikesville |
| 410-414 | Verizon Maryland | Landline | Princefrck |
| 410-415 | Verizon Maryland | Landline | Pikesville |
| 410-416 | American Messaging Services | Landline | Waterlo236 |
| 410-417 | Verizon Maryland | Landline | Edgewood |
| 410-418 | Verizon Maryland | Landline | Ellicottcy |
| 410-419 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-420 | Verizon Maryland | Landline | Bel Air |
| 410-421 | Verizon Maryland | Landline | Severna Pk |
| 410-422 | AT&T Mobility | Wireless | Salisbury |
| 410-423 | Teleport Communications America | Landline | Columbia |
| 410-424 | Verizon Maryland | Landline | Glenburnie |
| 410-425 | Verizon Maryland | Landline | Smith Is |
| 410-426 | Verizon Maryland | Landline | Baltimore |
| 410-427 | Teleport Communications America | Landline | Towson |
| 410-428 | AT&T Mobility | Wireless | Catonsvl |
| 410-429 | Verizon Maryland | Landline | Worthingtn |
| 410-430 | Verizon Wireless | Wireless | Salisbury |
| 410-431 | Verizon Maryland | Landline | Severna Pk |
| 410-432 | Verizon Maryland | Landline | Severna Pk |
| 410-433 | Verizon Maryland | Landline | Baltimore |
| 410-434 | Usa Mobility Wireless | Wireless | Towson |
| 410-435 | Verizon Maryland | Landline | Baltimore |
| 410-436 | Verizon Maryland | Landline | Edgewood |
| 410-437 | Verizon Maryland | Landline | Argrgbsnis |
| 410-438 | Verizon Maryland | Landline | Sudlersvl |
| 410-439 | Verizon Maryland | Landline | Argrgbsnis |
| 410-440 | AT&T Mobility | Wireless | Catonsvl |
| 410-441 | AT&T Mobility | Wireless | Elkton |
| 410-442 | Verizon Maryland | Landline | Ellicottcy |
| 410-443 | Lumen/Level 3 | Landline | Easton |
| 410-444 | Verizon Maryland | Landline | Baltimore |
| 410-445 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-446 | AT&T Mobility | Wireless | Catonsvl |
| 410-447 | Usa Mobility Wireless | Wireless | Columbia |
| 410-448 | Verizon Maryland | Landline | Baltimore |
| 410-449 | Bandwidth.com | Landline | Solomons |
| 410-450 | Verizon Maryland | Landline | Baltimore |
| 410-451 | Verizon Maryland | Landline | Crofton |
| 410-452 | Verizon Maryland | Landline | Cardiff |
| 410-453 | Verizon Maryland | Landline | Towson |
| 410-454 | MCI/Verizon | Wireless | Baltimore |
| 410-455 | Verizon Maryland | Landline | Catonsvl |
| 410-456 | Verizon Wireless | Wireless | Baltimore |
| 410-457 | Verizon Maryland | Landline | Darlington |
| 410-458 | Verizon Wireless | Wireless | Baltimore |
| 410-459 | Verizon Wireless | Wireless | Fallston |
| 410-460 | Usa Mobility Wireless | Wireless | Elkridge |
| 410-461 | Verizon Maryland | Landline | Ellicottcy |
| 410-462 | Verizon Maryland | Landline | Baltimore |
| 410-463 | Verizon Wireless | Wireless | Trappe |
| 410-464 | Verizon Maryland | Landline | Baltimore |
| 410-465 | Verizon Maryland | Landline | Ellicottcy |
| 410-466 | Verizon Maryland | Landline | Baltimore |
| 410-467 | Verizon Maryland | Landline | Baltimore |
| 410-468 | Verizon Maryland | Landline | Baltimore |
| 410-469 | Verizon Maryland | Landline | Baltimore |
| 410-470 | Verizon Maryland | Landline | Baltimore |
| 410-471 | Verizon Maryland | Landline | Elkridge |
| 410-472 | Verizon Maryland | Landline | Sparksglnc |
| 410-473 | Usa Mobility Wireless | Wireless | Towson |
| 410-474 | Verizon Wireless | Wireless | Princefrck |
| 410-475 | Usa Mobility Wireless | Wireless | Towson |
| 410-476 | Verizon Maryland | Landline | Trappe |
| 410-477 | Verizon Maryland | Landline | Sparrowspt |
| 410-478 | AT&T Mobility | Wireless | Baltimore |
| 410-479 | Verizon Maryland | Landline | Denton |
| 410-480 | Verizon Maryland | Landline | Ellicottcy |
| 410-481 | Verizon Maryland | Landline | Baltimore |
| 410-482 | Verizon Maryland | Landline | Greensboro |
| 410-483 | Verizon Maryland | Landline | Baltimore |
| 410-484 | Verizon Maryland | Landline | Pikesville |
| 410-485 | Verizon Maryland | Landline | Baltimore |
| 410-486 | Verizon Maryland | Landline | Pikesville |
| 410-487 | MCI/Verizon | Wireless | Glenburnie |
| 410-488 | Verizon Maryland | Landline | Baltimore |
| 410-489 | Verizon Maryland | Landline | Glenwood |
| 410-490 | Verizon Wireless | Wireless | Centrevl |
| 410-491 | AT&T Mobility | Wireless | Catonsvl |
| 410-492 | Usa Mobility Wireless | Wireless | Towson |
| 410-493 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-494 | Verizon Maryland | Landline | Towson |
| 410-495 | Verizon Maryland | Landline | Princefrck |
| 410-496 | Verizon Maryland | Landline | Randallstn |
| 410-497 | Comcast | Landline | Parkville |
| 410-498 | Paetec Itel | Landline | Cockeysvl |
| 410-499 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-500 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-501 | Paetec Itel | Landline | Arbutus |
| 410-502 | Verizon Maryland | Landline | Baltimore |
| 410-503 | Verizon Maryland | Landline | Elkridge |
| 410-504 | Verizon Maryland | Landline | Pikesville |
| 410-505 | Verizon Maryland | Landline | Ellicottcy |
| 410-506 | Verizon Maryland | Landline | Elkton |
| 410-507 | Verizon Wireless | Wireless | Annapolis |
| 410-508 | Verizon Maryland | Landline | Glenburnie |
| 410-509 | Baltimore-Washington Telephone (Bwt) | Landline | Waterlo236 |
| 410-510 | Teleport Communications America | Landline | Fork |
| 410-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-512 | Verizon Maryland | Landline | Towson |
| 410-513 | Teleport Communications America | Landline | Parkville |
| 410-514 | Verizon Maryland | Landline | Severn |
| 410-515 | Verizon Maryland | Landline | Fork |
| 410-516 | Verizon Maryland | Landline | Baltimore |
| 410-517 | Verizon Maryland | Landline | Reisterstn |
| 410-518 | Verizon Maryland | Landline | Severna Pk |
| 410-519 | Verizon Maryland | Landline | Severn |
| 410-520 | Verizon Maryland | Landline | Ocean City |
| 410-521 | Verizon Maryland | Landline | Randallstn |
| 410-522 | Verizon Maryland | Landline | Baltimore |
| 410-523 | Verizon Maryland | Landline | Baltimore |
| 410-524 | Verizon Maryland | Landline | Ocean City |
| 410-525 | Verizon Maryland | Landline | Baltimore |
| 410-526 | Verizon Maryland | Landline | Reisterstn |
| 410-527 | Verizon Maryland | Landline | Cockeysvl |
| 410-528 | Verizon Maryland | Landline | Baltimore |
| 410-529 | Verizon Maryland | Landline | Parkville |
| 410-530 | AT&T Mobility | Wireless | Catonsvl |
| 410-531 | Verizon Maryland | Landline | Columbia |
| 410-532 | Verizon Maryland | Landline | Baltimore |
| 410-533 | AT&T Mobility | Wireless | Annapolis |
| 410-534 | Verizon Maryland | Landline | Baltimore |
| 410-535 | Verizon Maryland | Landline | Princefrck |
| 410-536 | Verizon Maryland | Landline | Arbutus |
| 410-537 | Verizon Maryland | Landline | Baltimore |
| 410-538 | Verizon Maryland | Landline | Fork |
| 410-539 | Verizon Maryland | Landline | Baltimore |
| 410-540 | Verizon Maryland | Landline | Elkridge |
| 410-541 | Verizon Maryland | Landline | Severna Pk |
| 410-542 | Verizon Maryland | Landline | Baltimore |
| 410-543 | Verizon Maryland | Landline | Salisbury |
| 410-544 | Verizon Maryland | Landline | Severna Pk |
| 410-545 | Verizon Maryland | Landline | Baltimore |
| 410-546 | Verizon Maryland | Landline | Salisbury |
| 410-547 | Verizon Maryland | Landline | Baltimore |
| 410-548 | Verizon Maryland | Landline | Salisbury |
| 410-549 | Verizon Maryland | Landline | Sykesville |
| 410-550 | Verizon Maryland | Landline | Baltimore |
| 410-551 | Verizon Maryland | Landline | Severn |
| 410-552 | Verizon Maryland | Landline | Sykesville |
| 410-553 | Verizon Maryland | Landline | Glenburnie |
| 410-554 | Verizon Maryland | Landline | Baltimore |
| 410-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 410-556 | Verizon Maryland | Landline | Churchhill |
| 410-557 | Verizon Maryland | Landline | Fork |
| 410-558 | Verizon Maryland | Landline | Baltimore |
| 410-559 | Teleport Communications America | Landline | Pikesville |
| 410-560 | Verizon Maryland | Landline | Towson |
| 410-561 | Verizon Maryland | Landline | Towson |
| 410-562 | AT&T Mobility | Wireless | Annapolis |
| 410-563 | Verizon Maryland | Landline | Baltimore |
| 410-564 | Teleport Communications America | Landline | Elkridge |
| 410-565 | Lumen/Level 3 | Landline | Arbutus |
| 410-566 | Verizon Maryland | Landline | Baltimore |
| 410-567 | MCI/Verizon | Wireless | Elkridge |
| 410-568 | Teleport Communications America | Landline | Cockeysvl |
| 410-569 | Verizon Maryland | Landline | Edgewood |
| 410-570 | AT&T Mobility | Wireless | Annapolis |
| 410-571 | Verizon Maryland | Landline | Annapolis |
| 410-572 | Verizon Maryland | Landline | Salisbury |
| 410-573 | Verizon Maryland | Landline | Annapolis |
| 410-574 | Verizon Maryland | Landline | Essex |
| 410-575 | Verizon Maryland | Landline | Fork |
| 410-576 | Verizon Maryland | Landline | Baltimore |
| 410-577 | Verizon Maryland | Landline | Pikesville |
| 410-578 | Verizon Maryland | Landline | Baltimore |
| 410-579 | Verizon Maryland | Landline | Elkridge |
| 410-580 | Verizon Maryland | Landline | Pikesville |
| 410-581 | Verizon Maryland | Landline | Pikesville |
| 410-582 | Verizon Maryland | Landline | Glenburnie |
| 410-583 | Verizon Maryland | Landline | Towson |
| 410-584 | Verizon Maryland | Landline | Cockeysvl |
| 410-585 | Verizon Maryland | Landline | Baltimore |
| 410-586 | Verizon Maryland | Landline | Princefrck |
| 410-587 | MCI/Verizon | Wireless | Arbutus |
| 410-588 | Verizon Maryland | Landline | Bel Air |
| 410-589 | Lumen/Level 3 | Landline | Brynpklncm |
| 410-590 | Verizon Maryland | Landline | Glenburnie |
| 410-591 | Verizon Wireless | Wireless | Baltimore |
| 410-592 | Verizon Maryland | Landline | Fork |
| 410-593 | Verizon Maryland | Landline | Fork |
| 410-594 | Verizon Maryland | Landline | Woodlawn |
| 410-595 | Lumen/Level 3 | Landline | Glenburnie |
| 410-596 | Verizon Wireless | Wireless | Westminstr |
| 410-597 | Verizon Maryland | Landline | Woodlawn |
| 410-598 | Verizon Wireless | Wireless | Baltimore |
| 410-599 | AT&T Mobility | Wireless | Catonsvl |
| 410-600 | MCI/Verizon | Wireless | Berlin |
| 410-601 | Verizon Maryland | Landline | Baltimore |
| 410-602 | Verizon Maryland | Landline | Pikesville |
| 410-603 | AT&T Mobility | Wireless | Salisbury |
| 410-604 | Verizon Maryland | Landline | Stevensvl |
| 410-605 | Verizon Maryland | Landline | Baltimore |
| 410-606 | Verizon Maryland | Landline | Waterlo236 |
| 410-607 | Usa Mobility Wireless | Wireless | Towson |
| 410-608 | AT&T Mobility | Wireless | Catonsvl |
| 410-609 | Verizon Maryland | Landline | Brynpklncm |
| 410-610 | Verizon Wireless | Wireless | Princefrck |
| 410-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-612 | Verizon Maryland | Landline | Edgewood |
| 410-613 | Verizon Maryland | Landline | Baltimore |
| 410-614 | Verizon Maryland | Landline | Baltimore |
| 410-615 | AT&T Mobility | Wireless | Catonsvl |
| 410-616 | MCI/Verizon | Wireless | Towson |
| 410-617 | Verizon Maryland | Landline | Baltimore |
| 410-618 | Idt America | Landline | Perryville |
| 410-619 | American Messaging Services | Landline | Waterlo236 |
| 410-620 | Verizon Maryland | Landline | Elkton |
| 410-621 | Verizon Maryland | Landline | Princeanne |
| 410-622 | MCI/Verizon | Wireless | Baltimore |
| 410-623 | Verizon Maryland | Landline | Marion |
| 410-624 | Verizon Maryland | Landline | Baltimore |
| 410-625 | Verizon Maryland | Landline | Baltimore |
| 410-626 | Verizon Maryland | Landline | Annapolis |
| 410-627 | Verizon Wireless | Wireless | Baltimore |
| 410-628 | Verizon Maryland | Landline | Cockeysvl |
| 410-629 | Verizon Maryland | Landline | Berlin |
| 410-630 | MCI/Verizon | Wireless | Chase |
| 410-631 | Verizon Maryland | Landline | Baltimore |
| 410-632 | Verizon Maryland | Landline | Snow Hill |
| 410-633 | Verizon Maryland | Landline | Baltimore |
| 410-634 | Verizon Maryland | Landline | Ridgely |
| 410-635 | Verizon Maryland | Landline | Newwindsor |
| 410-636 | Verizon Maryland | Landline | Brynpklncm |
| 410-637 | Verizon Maryland | Landline | Baltimore |
| 410-638 | Verizon Maryland | Landline | Bel Air |
| 410-639 | Verizon Maryland | Landline | Rock Hall |
| 410-640 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-641 | Verizon Maryland | Landline | Berlin |
| 410-642 | Verizon Maryland | Landline | Perryville |
| 410-643 | Verizon Maryland | Landline | Stevensvl |
| 410-644 | Verizon Maryland | Landline | Baltimore |
| 410-645 | MCI/Verizon | Wireless | Woodlawn |
| 410-646 | Verizon Maryland | Landline | Baltimore |
| 410-647 | Verizon Maryland | Landline | Severna Pk |
| 410-648 | Verizon Maryland | Landline | Galena |
| 410-649 | Teleport Communications America | Landline | Baltimore |
| 410-650 | MCI/Verizon | Wireless | Dundalk |
| 410-651 | Verizon Maryland | Landline | Princeanne |
| 410-652 | AT&T Mobility | Wireless | Bel Air |
| 410-653 | Verizon Maryland | Landline | Pikesville |
| 410-654 | Verizon Maryland | Landline | Pikesville |
| 410-655 | Verizon Maryland | Landline | Randallstn |
| 410-656 | Armstrong Telecommunications | Landline | North East |
| 410-657 | MCI/Verizon | Wireless | Parkville |
| 410-658 | Armstrong Tel. Co. Of Maryland | Landline | Rising Sun |
| 410-659 | Verizon Maryland | Landline | Baltimore |
| 410-660 | Metro by T-Mobile | Wireless | Elkridge |
| 410-661 | Verizon Maryland | Landline | Parkville |
| 410-662 | Verizon Maryland | Landline | Baltimore |
| 410-663 | Verizon Maryland | Landline | Parkville |
| 410-664 | Verizon Maryland | Landline | Baltimore |
| 410-665 | Verizon Maryland | Landline | Parkville |
| 410-666 | Verizon Maryland | Landline | Cockeysvl |
| 410-667 | Verizon Maryland | Landline | Cockeysvl |
| 410-668 | Verizon Maryland | Landline | Parkville |
| 410-669 | Verizon Maryland | Landline | Baltimore |
| 410-670 | MCI/Verizon | Wireless | Edgewood |
| 410-671 | Verizon Maryland | Landline | Edgewood |
| 410-672 | Verizon Maryland | Landline | Odenton |
| 410-673 | Verizon Maryland | Landline | Preston |
| 410-674 | Verizon Maryland | Landline | Odenton |
| 410-675 | Verizon Maryland | Landline | Baltimore |
| 410-676 | Verizon Maryland | Landline | Edgewood |
| 410-677 | Verizon Maryland | Landline | Salisbury |
| 410-678 | Usa Mobility Wireless | Wireless | Elkridge |
| 410-679 | Verizon Maryland | Landline | Fork |
| 410-680 | Lumen/Level 3 | Landline | Ellicottcy |
| 410-681 | Usa Mobility Wireless | Wireless | Towson |
| 410-682 | Verizon Maryland | Landline | Essex |
| 410-683 | Verizon Maryland | Landline | Cockeysvl |
| 410-684 | Verizon Maryland | Landline | Glenburnie |
| 410-685 | Verizon Maryland | Landline | Baltimore |
| 410-686 | Verizon Maryland | Landline | Essex |
| 410-687 | Verizon Maryland | Landline | Essex |
| 410-688 | Verizon Wireless | Wireless | Fallston |
| 410-689 | Teleport Communications America | Landline | Glenburnie |
| 410-690 | Lumen/Level 3 | Landline | Easton |
| 410-691 | Verizon Maryland | Landline | Glenburnie |
| 410-692 | Verizon Maryland | Landline | Jarrettsvl |
| 410-693 | AT&T Mobility | Wireless | Annapolis |
| 410-694 | Verizon Maryland | Landline | Glenburnie |
| 410-695 | Verizon Maryland | Landline | Odenton |
| 410-696 | MCI/Verizon | Wireless | Ellicottcy |
| 410-697 | MCI/Verizon | Wireless | Millersvl |
| 410-698 | MCI/Verizon | Wireless | Fork |
| 410-699 | Omnipoint Communications Cap Operations | Landline | Chestertn |
| 410-700 | Landline | ||
| 410-701 | MCI/Verizon | Wireless | Randallstn |
| 410-702 | MCI/Verizon | Wireless | Reisterstn |
| 410-703 | Verizon Wireless | Wireless | Annapolis |
| 410-704 | MCI/Verizon | Wireless | Towson |
| 410-705 | Bandwidth.com | Landline | Waterlo236 |
| 410-706 | Verizon Maryland | Landline | Baltimore |
| 410-707 | Verizon Wireless | Wireless | Columbia |
| 410-708 | Verizon Wireless | Wireless | Chestertn |
| 410-709 | MCI/Verizon | Wireless | Sparrowspt |
| 410-710 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-712 | Verizon Maryland | Landline | Elkridge |
| 410-713 | Lumen/Level 3 | Landline | Salisbury |
| 410-714 | AT&T Mobility | Wireless | Easton |
| 410-715 | Verizon Maryland | Landline | Columbia |
| 410-716 | Verizon Maryland | Landline | Towson |
| 410-717 | Lumen/Level 3 | Landline | Elkridge |
| 410-718 | AT&T Mobility | Wireless | Catonsvl |
| 410-719 | Verizon Maryland | Landline | Catonsvl |
| 410-720 | Verizon Maryland | Landline | Ellicottcy |
| 410-721 | Verizon Maryland | Landline | Crofton |
| 410-722 | Verizon Maryland | Landline | Waterlo236 |
| 410-723 | Verizon Maryland | Landline | Ocean City |
| 410-724 | Verizon Maryland | Landline | Waterlo236 |
| 410-725 | Omnipoint Communications Cap Operations | Landline | Easton |
| 410-726 | Verizon Wireless | Wireless | Salisbury |
| 410-727 | Verizon Maryland | Landline | Baltimore |
| 410-728 | Verizon Maryland | Landline | Baltimore |
| 410-729 | Verizon Maryland | Landline | Severn |
| 410-730 | Verizon Maryland | Landline | Columbia |
| 410-731 | Usa Mobility Wireless | Wireless | Annapolis |
| 410-732 | Verizon Maryland | Landline | Baltimore |
| 410-733 | AT&T Mobility | Wireless | Catonsvl |
| 410-734 | Verizon Maryland | Landline | Churchvl |
| 410-735 | Paetec Itel | Landline | Baltimore |
| 410-736 | Verizon Maryland | Landline | Baltimore |
| 410-737 | Verizon Maryland | Landline | Arbutus |
| 410-738 | Verizon Maryland | Landline | Waterlo236 |
| 410-739 | AT&T Mobility | Wireless | Centrevl |
| 410-740 | Verizon Maryland | Landline | Columbia |
| 410-741 | Verizon Maryland | Landline | West River |
| 410-742 | Verizon Maryland | Landline | Salisbury |
| 410-743 | Usa Mobility Wireless | Wireless | Baltimore |
| 410-744 | Verizon Maryland | Landline | Catonsvl |
| 410-745 | Verizon Maryland | Landline | Stmichaels |
| 410-746 | Verizon Wireless | Wireless | Baltimore |
| 410-747 | Verizon Maryland | Landline | Catonsvl |
| 410-748 | Usa Mobility Wireless | Wireless | Ellicottcy |
| 410-749 | Verizon Maryland | Landline | Salisbury |
| 410-750 | Verizon Maryland | Landline | Ellicottcy |
| 410-751 | Verizon Maryland | Landline | Westminstr |
| 410-752 | Verizon Maryland | Landline | Baltimore |
| 410-753 | MCI/Verizon | Wireless | Pikesville |
| 410-754 | Verizon Maryland | Landline | Federalsbg |
| 410-755 | Verizon Maryland | Landline | Warwick |
| 410-756 | Verizon Maryland | Landline | Taneytown |
| 410-757 | Verizon Maryland | Landline | Annapolis |
| 410-758 | Verizon Maryland | Landline | Centrevl |
| 410-759 | AT&T Mobility | Wireless | Baltimore |
| 410-760 | Verizon Maryland | Landline | Glenburnie |
| 410-761 | Verizon Maryland | Landline | Glenburnie |
| 410-762 | Verizon Maryland | Landline | Glenburnie |
| 410-763 | Verizon Maryland | Landline | Easton |
| 410-764 | Verizon Maryland | Landline | Baltimore |
| 410-765 | Verizon Maryland | Landline | Glenburnie |
| 410-766 | Verizon Maryland | Landline | Glenburnie |
| 410-767 | Verizon Maryland | Landline | Baltimore |
| 410-768 | Verizon Maryland | Landline | Glenburnie |
| 410-769 | Verizon Maryland | Landline | Towson |
| 410-770 | Verizon Maryland | Landline | Easton |
| 410-771 | Verizon Maryland | Landline | Cockeysvl |
| 410-772 | Verizon Maryland | Landline | Columbia |
| 410-773 | Verizon Maryland | Landline | Cockeysvl |
| 410-774 | MCI/Verizon | Wireless | Crofton |
| 410-775 | Verizon Maryland | Landline | Union Bdg |
| 410-776 | Teleport Communications America | Landline | Bel Air |
| 410-777 | MCI/Verizon | Wireless | Severna Pk |
| 410-778 | Verizon Maryland | Landline | Chestertn |
| 410-779 | Lumen/Level 3 | Landline | Baltimore |
| 410-780 | Verizon Maryland | Landline | Essex |
| 410-781 | Verizon Maryland | Landline | Ellicottcy |
| 410-782 | Verizon Maryland | Landline | Elkridge |
| 410-783 | Verizon Maryland | Landline | Baltimore |
| 410-784 | Verizon Maryland | Landline | Dealisland |
| 410-785 | Verizon Maryland | Landline | Cockeysvl |
| 410-786 | MCI/Verizon | Wireless | Woodlawn |
| 410-787 | Verizon Maryland | Landline | Glenburnie |
| 410-788 | Verizon Maryland | Landline | Catonsvl |
| 410-789 | Verizon Maryland | Landline | Brynpklncm |
| 410-790 | AT&T Mobility | Wireless | Towson |
| 410-791 | Verizon Maryland | Landline | Waterlo236 |
| 410-792 | Verizon Maryland | Landline | Waterlo236 |
| 410-793 | Verizon Maryland | Landline | Severna Pk |
| 410-794 | Lumen/Level 3 | Landline | Columbia |
| 410-795 | Verizon Maryland | Landline | Sykesville |
| 410-796 | Verizon Maryland | Landline | Elkridge |
| 410-797 | Verizon Maryland | Landline | Waterlo236 |
| 410-798 | Verizon Maryland | Landline | West River |
| 410-799 | Verizon Maryland | Landline | Waterlo238 |
| 410-800 | Verizon Wireless | Wireless | Baltimore |
| 410-801 | MCI/Verizon | Wireless | Baltimore |
| 410-802 | AT&T Mobility | Wireless | Catonsvl |
| 410-803 | Verizon Maryland | Landline | Fork |
| 410-804 | Verizon Wireless | Wireless | Baltimore |
| 410-805 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-806 | Usa Mobility Wireless | Wireless | Towson |
| 410-807 | Lumen/Level 3 | Landline | Catonsvl |
| 410-808 | Metro by T-Mobile | Wireless | Fallston |
| 410-809 | Paetec Itel | Landline | Bel Air |
| 410-810 | Verizon Maryland | Landline | Chestertn |
| 410-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-812 | AT&T Mobility | Wireless | Towson |
| 410-813 | Verizon Maryland | Landline | Waterlo236 |
| 410-814 | Paetec Itel | Landline | Baltimore |
| 410-815 | Verizon Maryland | Landline | Waterlo236 |
| 410-816 | Verizon Wireless | Wireless | Towson |
| 410-817 | Verizon Maryland | Landline | Fork |
| 410-818 | Teleport Communications America | Landline | Catonsvl |
| 410-819 | Verizon Maryland | Landline | Easton |
| 410-820 | Verizon Maryland | Landline | Easton |
| 410-821 | Verizon Maryland | Landline | Towson |
| 410-822 | Verizon Maryland | Landline | Easton |
| 410-823 | Verizon Maryland | Landline | Towson |
| 410-824 | Lumen/Level 3 | Landline | Waterlo236 |
| 410-825 | Verizon Maryland | Landline | Towson |
| 410-826 | Onvoy | Landline | Baltimore |
| 410-827 | Verizon Maryland | Landline | Queenstown |
| 410-828 | Verizon Maryland | Landline | Towson |
| 410-829 | Verizon Wireless | Wireless | Easton |
| 410-830 | Verizon Maryland | Landline | Towson |
| 410-831 | Omnipoint Communications Cap Operations | Landline | Salisbury |
| 410-832 | Verizon Maryland | Landline | Towson |
| 410-833 | Verizon Maryland | Landline | Reisterstn |
| 410-834 | CenturyLink | Landline | Waterlo236 |
| 410-835 | Verizon Maryland | Landline | Willards |
| 410-836 | Verizon Maryland | Landline | Bel Air |
| 410-837 | Verizon Maryland | Landline | Baltimore |
| 410-838 | Verizon Maryland | Landline | Bel Air |
| 410-839 | Usa Mobility Wireless | Wireless | Towson |
| 410-840 | Verizon Maryland | Landline | Reisterstn |
| 410-841 | Verizon Maryland | Landline | Severna Pk |
| 410-842 | MCI/Verizon | Wireless | Towson |
| 410-843 | Teleport Communications America | Landline | Baltimore |
| 410-844 | Peerless Network Of Maryland | Landline | Baltimore |
| 410-845 | Omnipoint Communications Cap Operations | Landline | Salisbury |
| 410-846 | MCI/Verizon | Wireless | Severn |
| 410-847 | Verizon Maryland | Landline | Towson |
| 410-848 | Verizon Maryland | Landline | Westminstr |
| 410-849 | Verizon Maryland | Landline | Sherwd For |
| 410-850 | Verizon Maryland | Landline | Glenburnie |
| 410-851 | Verizon Maryland | Landline | Towson |
| 410-852 | AT&T Mobility | Wireless | Catonsvl |
| 410-853 | Verizon Maryland | Landline | Towson |
| 410-854 | Verizon Maryland | Landline | Waterlo236 |
| 410-855 | Verizon Maryland | Landline | Glenburnie |
| 410-856 | Verizon Maryland | Landline | Baltimore |
| 410-857 | Verizon Maryland | Landline | Westminstr |
| 410-858 | Verizon Maryland | Landline | Annapolis |
| 410-859 | Verizon Maryland | Landline | Glenburnie |
| 410-860 | Verizon Maryland | Landline | Salisbury |
| 410-861 | Verizon Maryland | Landline | Westminstr |
| 410-862 | Onvoy | Landline | Waterlo236 |
| 410-863 | Verizon Maryland | Landline | Glenburnie |
| 410-864 | MCI/Verizon | Wireless | Baltimore |
| 410-865 | Verizon Maryland | Landline | Glenburnie |
| 410-866 | Verizon Maryland | Landline | Essex |
| 410-867 | Verizon Maryland | Landline | West River |
| 410-868 | AT&T Mobility | Wireless | Catonsvl |
| 410-869 | Verizon Maryland | Landline | Catonsvl |
| 410-870 | Comcast | Landline | Parkville |
| 410-871 | Verizon Maryland | Landline | Westminstr |
| 410-872 | Verizon Maryland | Landline | Columbia |
| 410-873 | Verizon Maryland | Landline | Nanticoke |
| 410-874 | MCI/Verizon | Wireless | Odenton |
| 410-875 | Verizon Maryland | Landline | Sykesville |
| 410-876 | Verizon Maryland | Landline | Reisterstn |
| 410-877 | Verizon Maryland | Landline | Fallston |
| 410-878 | MCI/Verizon | Wireless | Baltimore |
| 410-879 | Verizon Maryland | Landline | Fork |
| 410-880 | Verizon Maryland | Landline | Waterlo236 |
| 410-881 | MCI/Verizon | Wireless | Sherwd For |
| 410-882 | Verizon Maryland | Landline | Parkville |
| 410-883 | Verizon Maryland | Landline | Sharptown |
| 410-884 | Verizon Maryland | Landline | Columbia |
| 410-885 | Verizon Maryland | Landline | Chesapkecy |
| 410-886 | Verizon Maryland | Landline | Tilghman |
| 410-887 | Verizon Maryland | Landline | Towson |
| 410-888 | Verizon Maryland | Landline | Waterlo236 |
| 410-889 | Verizon Maryland | Landline | Baltimore |
| 410-890 | Usa Mobility Wireless | Wireless | Towson |
| 410-891 | MCI/Verizon | Wireless | Cockeysvl |
| 410-892 | Verizon Maryland | Landline | Glenburnie |
| 410-893 | Verizon Maryland | Landline | Fork |
| 410-894 | Usa Mobility Wireless | Wireless | Towson |
| 410-895 | Verizon Maryland | Landline | Baltimore |
| 410-896 | Verizon Maryland | Landline | Delmar |
| 410-897 | Verizon Maryland | Landline | Annapolis |
| 410-898 | Verizon Maryland | Landline | Waterlo236 |
| 410-899 | Usa Mobility Wireless | Wireless | Towson |
| 410-900 | Paetec Itel | Landline | Baltimore |
| 410-901 | Verizon Maryland | Landline | Cambridge |
| 410-902 | Verizon Maryland | Landline | Pikesville |
| 410-903 | Metro by T-Mobile | Wireless | Severna Pk |
| 410-904 | MCI/Verizon | Wireless | Waterlo238 |
| 410-905 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-906 | Verizon Maryland | Landline | Baltimore |
| 410-907 | MCI/Verizon | Wireless | Woodlawn |
| 410-908 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-909 | Usa Mobility Wireless | Wireless | Elkridge |
| 410-910 | MCI/Verizon | Wireless | Columbia |
| 410-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 410-912 | Paetec Itel | Landline | Salisbury |
| 410-913 | Verizon Wireless | Wireless | Baltimore |
| 410-914 | Paetec Itel | Landline | Churchvl |
| 410-915 | Baltimore-Washington Telephone (Bwt) | Landline | Baltimore |
| 410-916 | Verizon Wireless | Wireless | Baltimore |
| 410-917 | AT&T Mobility | Wireless | Catonsvl |
| 410-918 | Verizon Maryland | Landline | Essex |
| 410-919 | MCI/Verizon | Wireless | Annapolis |
| 410-920 | AT&T Mobility | Wireless | Elkton |
| 410-921 | Lumen/Level 3 | Landline | Severn |
| 410-922 | Verizon Maryland | Landline | Randallstn |
| 410-923 | Verizon Maryland | Landline | Millersvl |
| 410-924 | Verizon Wireless | Wireless | Easton |
| 410-925 | Verizon Wireless | Wireless | Baltimore |
| 410-926 | AT&T Mobility | Wireless | Catonsvl |
| 410-927 | Lumen/Level 3 | Landline | Odenton |
| 410-928 | Verizon Maryland | Landline | Millington |
| 410-929 | Bandwidth.com | Landline | Baltimore |
| 410-930 | Redi-Call Communications Co | Landline | Waterlo236 |
| 410-931 | Verizon Maryland | Landline | Parkville |
| 410-932 | Usa Mobility Wireless | Wireless | Elkridge |
| 410-933 | Verizon Maryland | Landline | Parkville |
| 410-934 | AT&T Mobility | Wireless | Annapolis |
| 410-935 | Verizon Wireless | Wireless | Baltimore |
| 410-936 | Comcast | Landline | Salisbury |
| 410-937 | Verizon Wireless | Wireless | Fallston |
| 410-938 | Verizon Maryland | Landline | Towson |
| 410-939 | Verizon Maryland | Landline | Havregrace |
| 410-940 | Paetec Itel | Landline | Annapolis |
| 410-941 | Verizon Maryland | Landline | Jarrettsvl |
| 410-942 | Verizon Maryland | Landline | Havregrace |
| 410-943 | Verizon Maryland | Landline | Hurlock |
| 410-944 | Verizon Maryland | Landline | Woodlawn |
| 410-945 | Verizon Maryland | Landline | Baltimore |
| 410-946 | Verizon Maryland | Landline | Severna Pk |
| 410-947 | Verizon Maryland | Landline | Baltimore |
| 410-948 | AT&T Mobility | Wireless | Catonsvl |
| 410-949 | MCI/Verizon | Wireless | Baltimore |
| 410-950 | Landline | ||
| 410-951 | Teleport Communications America | Landline | Baltimore |
| 410-952 | Verizon Wireless | Wireless | Baltimore |
| 410-953 | Verizon Maryland | Landline | Columbia |
| 410-954 | Verizon Maryland | Landline | Baltimore |
| 410-955 | Verizon Maryland | Landline | Baltimore |
| 410-956 | Verizon Maryland | Landline | Annapolis |
| 410-957 | Verizon Maryland | Landline | Pocomoke |
| 410-958 | Landline | ||
| 410-959 | Landline | ||
| 410-960 | Verizon Wireless | Wireless | Baltimore |
| 410-961 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-962 | Verizon Maryland | Landline | Baltimore |
| 410-963 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-964 | Verizon Maryland | Landline | Columbia |
| 410-965 | Verizon Maryland | Landline | Woodlawn |
| 410-966 | Verizon Maryland | Landline | Woodlawn |
| 410-967 | AT&T Mobility | Wireless | Towson |
| 410-968 | Verizon Maryland | Landline | Crisfield |
| 410-969 | Verizon Maryland | Landline | Severn |
| 410-970 | MCI/Verizon | Wireless | Sykesville |
| 410-971 | AT&T Mobility | Wireless | Catonsvl |
| 410-972 | Teleport Communications America | Landline | Annapolis |
| 410-973 | Mcc Telephony Of The Mid-Atlantic | Landline | Berlin |
| 410-974 | Verizon Maryland | Landline | Severna Pk |
| 410-975 | Verizon Maryland | Landline | Severna Pk |
| 410-976 | Multiple Ocn Listing | Landline | Baltimore |
| 410-977 | Omnipoint Communications Cap Operations | Landline | Baltimore |
| 410-978 | AT&T Mobility | Wireless | Catonsvl |
| 410-979 | AT&T Mobility | Wireless | Catonsvl |
| 410-980 | Verizon Wireless | Wireless | Annapolis |
| 410-981 | Verizon Maryland | Landline | Glenburnie |
| 410-982 | Quantum Telecommunications | Landline | Baltimore |
| 410-983 | Verizon Maryland | Landline | Fork |
| 410-984 | Metro by T-Mobile | Wireless | Sykesville |
| 410-985 | Baltimore-Washington Telephone (Bwt) | Landline | Waterlo236 |
| 410-986 | Verizon Maryland | Landline | Baltimore |
| 410-987 | Verizon Maryland | Landline | Severn |
| 410-988 | Verizon Maryland | Landline | Ellicottcy |
| 410-989 | Verizon Maryland | Landline | Fork |
| 410-990 | Verizon Maryland | Landline | Annapolis |
| 410-991 | Verizon Wireless | Wireless | Annapolis |
| 410-992 | Verizon Maryland | Landline | Columbia |
| 410-993 | Verizon Maryland | Landline | Glenburnie |
| 410-994 | Verizon Maryland | Landline | Edgewood |
| 410-995 | Verizon Maryland | Landline | Ellicottcy |
| 410-996 | Verizon Maryland | Landline | Elkton |
| 410-997 | Verizon Maryland | Landline | Columbia |
| 410-998 | Verizon Maryland | Landline | Pikesville |
| 410-999 | Baltimore-Washington Telephone (Bwt) | Landline | Glenburnie |
All 6 area codes in Maryland
About Area Code 410
Back in 1947, when the phone was becoming a staple in American homes, area code 410 got its start as one of the original codes. It was all about connecting folks in Maryland, particularly around Baltimore, which has always been the heartbeat of the state. Picture this: from the historic streets of Annapolis, where sailors and politicians mingle, to the everyday hustle in places like Columbia and Ellicott City, 410 covers a slice of life that's equal parts urban energy and suburban calm. Over the years, it's grown to include spots like Glen Burnie and Dundalk, serving about 12 cities in total. What sets 410 apart is its tie to the Chesapeake Bay area, where crab feasts and waterfront vibes define the culture. Fast forward to today, and it's sharing the load with overlays 443 and 667, which help handle the increasing calls from smartphones and businesses. If you're dialing into Baltimore, you're tapping into a place that's seen shipyards boom and neighborhoods evolve, all while keeping that down-to-earth Maryland charm. It's not just a code; it's a link to stories of innovation and community spirit that keep things rolling in this corner of the East Coast.
⚠ Scam & Spam Alert for 410
If you get a call from a 410 number, don't jump to conclusions, but stay sharp—scams happen here like anywhere else. In Maryland, IRS imposters often call pretending to be from the government, demanding payment for bogus taxes. Then there's the auto warranty racket, where smooth talkers push fake extended plans on unsuspecting drivers. Medicare fraud is another one that pops up, targeting older residents with promises of free medical gear that never arrive. These tricks can hit hard, especially in a state with a mix of urban and rural folks. Remember, scammers count on you acting fast, so always hang up and check things out yourself. A simple tip: If it sounds off, call the official number back using info from their website, not the one they give you.
Local Snapshot
Maryland's population sits at around 6 million people, making it a fairly crowded spot on the East Coast. The state's economy runs on industries like healthcare and biotech, with big names in Baltimore pushing forward medical research and jobs. Folks here love their crabs, and the Inner Harbor is a go-to for fresh seafood and family fun—that waterfront scene really captures the local flavor. Here's something you might not know: Baltimore was the birthplace of the national anthem, written during the War of 1812 at Fort McHenry, which still stands as a proud piece of history.
Frequently Asked Questions
Where is area code 410?
Area code 410 serves Baltimore and surrounding communities in Maryland, including Annapolis, Baltimore, Bel Air, Catonsville, Columbia and 7 more. It is in the Eastern time zone.
What cities are in area code 410?
Area code 410 covers 12 cities in Maryland: Annapolis, Baltimore, Bel Air, Catonsville, Columbia, Dundalk, Ellicott City, Glen Burnie, Havre de Grace, Pasadena, and 2 more
What time zone is 410?
Area code 410 is in the Eastern time zone (UTC-5).
When was area code 410 created?
Area code 410 is one of the original area codes established in 1947 as part of the North American Numbering Plan.
Is 410 a legitimate area code?
Yes, 410 is a valid, active area code assigned to Baltimore, Maryland. However, scammers can spoof any area code, so receiving a call from 410 doesn't guarantee the caller is actually in this area.
What area codes overlap with 410?
Area code 410 shares its geographic area with overlay codes 443 and 667. This means all local calls in the area require 10-digit dialing.
What historical events are tied to the establishment of the 410 area code in 1947?
The 410 area code was introduced in 1947 as part of the North American Numbering Plan to serve growing telephone demands in Maryland. This coincided with post-World War II expansion in cities like Baltimore, which had key roles in wartime efforts. Annapolis, another served city, continued its legacy as the state capital with historical significance dating back to the American Revolution.
How does the 410 area code relate to Maryland's maritime heritage?
The 410 area code covers cities like Annapolis and Baltimore, both central to Maryland's maritime history with sites such as the U.S. Naval Academy and the Port of Baltimore. This heritage influences local culture through annual events and industries focused on shipping and naval activities. The area code has been a lifeline for communication in these communities since its inception.
What educational institutions are prominent in the 410 area code?
The 410 area code includes Baltimore, home to Johns Hopkins University, a leader in medical and research fields. Other cities like Columbia and Ellicott City have access to various colleges that contribute to the region's educational focus. This setup has supported local workforce development and innovation in science and technology for decades.