510
Oakland, California
California · Pacific (UTC-8) · — · 12 cities · Overlay: 341
State
Major City
Oakland
Time Zone
Pacific (UTC-8)
Current Local Time
—
Overlay Code
Cities Served
12
Cities Served by Area Code 510 (12 cities)
Additional Details
Established
1991
Type
Split
Active Prefixes
799
Wireless Lines
39%
About Area Code 510
Area code 510 was created in 1991 as a split from a previously larger area code region. It serves the Oakland, California metropolitan area. This area code shares its territory with overlay code 341, meaning callers must dial all 10 digits for local calls. The area is in the Pacific time zone. It covers 12 cities and communities including Alameda, Albany, Berkeley, Emeryville, Fremont and 7 more.
Phone Number Prefixes in Area Code 510
799 active NXX prefixes — 39% wireless, 61% landline. Each prefix (NXX) represents up to 10,000 phone numbers.
AT&T (Pacific Bell) 278 (35%)AT&T Mobility 78 (10%)T-Mobile 65 (8%)Verizon Wireless 60 (8%)MCI/Verizon 48 (6%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 510-200 | Metro by T-Mobile | Wireless | Hayward |
| 510-201 | Peerless Network Of California | Landline | Okld Mn-Pd |
| 510-202 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-203 | T-Mobile | Wireless | Frnk Main |
| 510-204 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-205 | Metro by T-Mobile | Wireless | Okld Almd |
| 510-206 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-207 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-208 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-209 | Metro by T-Mobile | Wireless | Hayward |
| 510-210 | Bandwidth.com | Landline | Richmond |
| 510-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-212 | Usa Mobility Wireless | Wireless | Frnk Olivr |
| 510-213 | T-Mobile | Wireless | Okld Frtvl |
| 510-214 | MCI/Verizon | Wireless | Okld Almd |
| 510-215 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-216 | T-Mobile | Wireless | Okld Frtvl |
| 510-217 | Teleport Communications America | Landline | Okld Almd |
| 510-218 | Usa Mobility Wireless | Wireless | Frnk Olivr |
| 510-219 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-220 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-221 | Metro by T-Mobile | Wireless | Richmond |
| 510-222 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-223 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-224 | T-Mobile | Wireless | Hrcul-Rode |
| 510-225 | MCI/Verizon | Wireless | Okld Bkly |
| 510-226 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-227 | Lumen/Level 3 | Landline | Okld Almd |
| 510-228 | Lumen/Level 3 | Landline | Okld Frtvl |
| 510-229 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-230 | T-Mobile | Wireless | Richmond |
| 510-231 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-232 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-233 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-234 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-235 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-236 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-237 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-238 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-239 | U.S. Telepacific | Landline | Okld Almd |
| 510-240 | Lumen/Level 3 | Landline | Frnk Grnlf |
| 510-241 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-242 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-243 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-244 | Bandwidth.com | Landline | Hayward |
| 510-245 | AT&T (Pacific Bell) | Landline | Hrcul-Rode |
| 510-246 | Verizon Wireless | Wireless | Hayward |
| 510-247 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-248 | Lumen/Level 3 | Landline | Frnk Main |
| 510-249 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-250 | Lumen/Level 3 | Landline | Okld Mn-Pd |
| 510-251 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-252 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-253 | Lumen/Level 3 | Landline | Richmond |
| 510-254 | Lumen/Level 3 | Landline | Okld Almd |
| 510-255 | Bandwidth.com | Landline | Richmond |
| 510-256 | Bandwidth.com | Landline | Crockett |
| 510-257 | Teleport Communications America | Landline | Frnk Olivr |
| 510-258 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-259 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-260 | Comcast | Landline | Richmond |
| 510-261 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-262 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-263 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-264 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-265 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-266 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-267 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-268 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-269 | MCI/Verizon | Wireless | Okld Frtvl |
| 510-270 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-271 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-272 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-273 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-274 | Utility Telecom Group | Landline | Hayward |
| 510-275 | Onvoy | Landline | Elsbr-Pinl |
| 510-276 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-277 | Lumen/Level 3 | Landline | Okld Bkly |
| 510-278 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-279 | Lumen/Level 3 | Landline | Frnk Olivr |
| 510-280 | MCI/Verizon | Wireless | Okld Bkly |
| 510-281 | Onvoy | Landline | Okld Mn-Pd |
| 510-282 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-283 | MCI/Verizon | Wireless | Elsbr-Pinl |
| 510-284 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-285 | MCI/Verizon | Wireless | Okld Mn-Pd |
| 510-286 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-287 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-288 | Onvoy | Landline | Okld Mn-Pd |
| 510-289 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-290 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-291 | Onvoy | Landline | Okld Mn-Pd |
| 510-292 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-293 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-294 | Metro by T-Mobile | Wireless | Hayward |
| 510-295 | Verizon Wireless | Wireless | Okld Bkly |
| 510-296 | Lumen/Level 3 | Landline | Hrcul-Rode |
| 510-297 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-298 | AT&T Mobility | Wireless | Frnk Main |
| 510-299 | Verizon Wireless | Wireless | Frnk Main |
| 510-300 | U.S. Telepacific | Landline | Hayward |
| 510-301 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-302 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-303 | AT&T Mobility | Wireless | Hayward |
| 510-304 | AT&T Mobility | Wireless | Frnk Main |
| 510-305 | AT&T Mobility | Wireless | Hayward |
| 510-306 | Metro by T-Mobile | Wireless | Okld Almd |
| 510-307 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-308 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-309 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-312 | Commio | Landline | Crockett |
| 510-313 | Teleport Communications America | Landline | Hrcul-Rode |
| 510-314 | T-Mobile | Wireless | Hayward |
| 510-315 | Lumen/Level 3 | Landline | Hayward |
| 510-316 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-317 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-318 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-319 | Onvoy | Landline | Frnk Olivr |
| 510-320 | AT&T Mobility | Wireless | Frnk Main |
| 510-321 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-322 | MCI/Verizon | Wireless | Hrcul-Rode |
| 510-323 | MCI/Verizon | Wireless | Richmond |
| 510-324 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-325 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-326 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-327 | Onvoy | Landline | Hrcul-Rode |
| 510-328 | T-Mobile | Wireless | Okld Frtvl |
| 510-329 | AT&T Mobility | Wireless | Hayward |
| 510-330 | Onvoy | Landline | Hayward |
| 510-331 | AT&T Mobility | Wireless | Hayward |
| 510-332 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-333 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-334 | AT&T Mobility | Wireless | Richmond |
| 510-335 | Onvoy | Landline | Frnk Main |
| 510-336 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-337 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-338 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-339 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-340 | Verizon Wireless | Wireless | Hayward |
| 510-341 | Landline | ||
| 510-342 | U.S. Telepacific | Landline | Hayward |
| 510-343 | U.S. Telepacific | Landline | Okld Trnid |
| 510-344 | Lumen/Level 3 | Landline | Frnk Olivr |
| 510-345 | T-Mobile | Wireless | Okld Bkly |
| 510-346 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-347 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-348 | 33 Wireless | Wireless | Okld Mn-Pd |
| 510-349 | American Messaging Services | Landline | Richmond |
| 510-350 | Teleport Communications America | Landline | Okld Mn-Pd |
| 510-351 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-352 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-353 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-354 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-355 | Lumen/Level 3 | Landline | Okld Almd |
| 510-356 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-357 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-358 | AT&T Mobility | Wireless | Frnk Main |
| 510-359 | Verizon Wireless | Wireless | Hayward |
| 510-360 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-361 | Lumen/Level 3 | Landline | Hayward |
| 510-362 | T-Mobile | Wireless | Hayward |
| 510-363 | Verizon Wireless | Wireless | Hayward |
| 510-364 | AT&T Mobility | Wireless | Frnk Main |
| 510-365 | T-Mobile | Wireless | Okld Bkly |
| 510-366 | AT&T Mobility | Wireless | Frnk Main |
| 510-367 | AT&T Mobility | Wireless | Richmond |
| 510-368 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-369 | Onvoy | Landline | Richmond |
| 510-370 | Peerless Network Of California | Landline | Hayward |
| 510-371 | Lumen/Level 3 | Landline | Frnk Main |
| 510-372 | Onvoy | Landline | Hayward |
| 510-373 | Onvoy | Landline | Okld Almd |
| 510-374 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-375 | T-Mobile | Wireless | Richmond |
| 510-376 | Metro by T-Mobile | Wireless | Frnk Main |
| 510-377 | T-Mobile | Wireless | Frnk Main |
| 510-378 | AT&T Mobility | Wireless | Frnk Main |
| 510-379 | Lumen/Level 3 | Landline | Okld Mn-Pd |
| 510-380 | Onvoy | Landline | Okld Mn-Pd |
| 510-381 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-382 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-383 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-384 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-385 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-386 | AT&T Mobility | Wireless | Frnk Main |
| 510-387 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-388 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-389 | Teleport Communications America | Landline | Okld Trnid |
| 510-390 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-391 | AT&T Mobility | Wireless | Frnk Main |
| 510-392 | AT&T Mobility | Wireless | Elsbr-Pinl |
| 510-393 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-394 | Teleport Communications America | Landline | Okld Trnid |
| 510-395 | Teleport Communications America | Landline | Okld Frtvl |
| 510-396 | T-Mobile | Wireless | Frnk Main |
| 510-397 | Comcast | Landline | Hayward |
| 510-398 | Bandwidth.com | Landline | Hayward |
| 510-399 | Onvoy | Landline | Frnk Main |
| 510-400 | MCI/Verizon | Wireless | Frnk Grnlf |
| 510-401 | U.S. Telepacific | Landline | Frnk Grnlf |
| 510-402 | Bandwidth.com | Landline | Frnk Main |
| 510-403 | U.S. Telepacific | Landline | Frnk Olivr |
| 510-404 | MCI/Verizon | Wireless | Frnk Grnlf |
| 510-405 | Onvoy | Landline | Frnk Main |
| 510-406 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-407 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-408 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-409 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-410 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-412 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-413 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-414 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-415 | T-Mobile | Wireless | Hayward |
| 510-416 | North County Communication Corporation - Ca | Landline | Okld Bkly |
| 510-417 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-418 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-419 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-420 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-421 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-422 | T-Mobile | Wireless | Okld Frtvl |
| 510-423 | Paetec Itel | Landline | Okld Bkly |
| 510-424 | T-Mobile | Wireless | Okld Frtvl |
| 510-425 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-426 | Verizon Wireless | Wireless | Richmond |
| 510-427 | Verizon Wireless | Wireless | Hayward |
| 510-428 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-429 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-430 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-431 | Lumen/Level 3 | Landline | Frnk Grnlf |
| 510-432 | AT&T Mobility | Wireless | Hayward |
| 510-433 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-434 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-435 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-436 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-437 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-438 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-439 | Onvoy | Landline | Richmond |
| 510-440 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-441 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-442 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-443 | Peerless Network Of California | Landline | Frnk Main |
| 510-444 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-445 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-446 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-447 | Metro by T-Mobile | Wireless | Richmond |
| 510-448 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-449 | Teleport Communications America | Landline | Frnk Main |
| 510-450 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-451 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-452 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-453 | Metro by T-Mobile | Wireless | Frnk Main |
| 510-454 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-455 | T-Mobile | Wireless | Crockett |
| 510-456 | U.S. Telepacific | Landline | Frnk Main |
| 510-457 | Teleport Communications America | Landline | Okld Mn-Pd |
| 510-458 | Verizon Wireless | Wireless | Frnk Main |
| 510-459 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-460 | Verizon Wireless | Wireless | Hayward |
| 510-461 | AT&T Mobility | Wireless | Hayward |
| 510-462 | Onvoy | Landline | Frnk Grnlf |
| 510-463 | U.S. Telepacific | Landline | Okld Mn-Pd |
| 510-464 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-465 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-466 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-467 | Lumen/Level 3 | Landline | Okld Frtvl |
| 510-468 | Verizon Wireless | Wireless | Frnk Main |
| 510-469 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-470 | Bandwidth.com | Landline | Hayward |
| 510-471 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-472 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-473 | MCI/Verizon | Wireless | Okld Almd |
| 510-474 | MCI/Verizon | Wireless | Frnk Grnlf |
| 510-475 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-476 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-477 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-478 | MCI/Verizon | Wireless | Richmond |
| 510-479 | Teleport Communications America | Landline | Okld Frtvl |
| 510-480 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-481 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-482 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-483 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-484 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-485 | Metro by T-Mobile | Wireless | Okld Frtvl |
| 510-486 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-487 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-488 | MCI/Verizon | Wireless | Okld Frtvl |
| 510-489 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-490 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-491 | Teleport Communications America | Landline | Frnk Grnlf |
| 510-492 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-493 | MCI/Verizon | Wireless | Frnk Main |
| 510-494 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-495 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-496 | U.S. Telepacific | Landline | Okld Mn-Pd |
| 510-497 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-498 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-499 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-500 | MCI/Verizon | Wireless | Okld Frtvl |
| 510-501 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-502 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-503 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-504 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-505 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-506 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-507 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-508 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-509 | Lumen/Level 3 | Landline | Frnk Main |
| 510-510 | Shelcomm | Landline | Frnk Main |
| 510-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-512 | T-Mobile | Wireless | Hayward |
| 510-513 | T-Mobile | Wireless | Frnk Main |
| 510-514 | Peerless Network Of California | Landline | Hayward |
| 510-515 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-516 | Bandwidth.com | Landline | Frnk Main |
| 510-517 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-518 | Peerless Network Of California | Landline | Frnk Main |
| 510-519 | Verizon Wireless | Wireless | Okld Almd |
| 510-520 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-521 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-522 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-523 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-524 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-525 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-526 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-527 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-528 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-529 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-530 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-531 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-532 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-533 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-534 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-535 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-536 | AT&T (Pacific Bell) | Landline | Okld Frtvl |
| 510-537 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-538 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-539 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-540 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-541 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-542 | MCI/Verizon | Wireless | Okld Bkly |
| 510-543 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-544 | Onvoy | Landline | Okld Trnid |
| 510-545 | MCI/Verizon | Wireless | Okld Almd |
| 510-546 | Spectrum | Landline | Hayward |
| 510-547 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-548 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-549 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-550 | Lumen/Level 3 | Landline | Okld Mn-Pd |
| 510-551 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-552 | Verizon Wireless | Wireless | Frnk Main |
| 510-553 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-554 | 33 Wireless | Wireless | Hayward |
| 510-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 510-556 | Lumen/Level 3 | Landline | Frnk Main |
| 510-557 | T-Mobile | Wireless | Frnk Main |
| 510-558 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-559 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-560 | Comcast | Landline | Okld Trnid |
| 510-561 | AT&T Mobility | Wireless | Okld Frtvl |
| 510-562 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-563 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-564 | MCI/Verizon | Wireless | Okld Trnid |
| 510-565 | T-Mobile | Wireless | Frnk Main |
| 510-566 | Verizon Wireless | Wireless | Hayward |
| 510-567 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-568 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-569 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-570 | T-Mobile | Wireless | Okld Bkly |
| 510-571 | AT&T Mobility | Wireless | Hayward |
| 510-572 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-573 | Comcast | Landline | Frnk Olivr |
| 510-574 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-575 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-576 | MCI/Verizon | Wireless | Hayward |
| 510-577 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-578 | MCI/Verizon | Wireless | Frnk Main |
| 510-579 | AT&T Mobility | Wireless | Frnk Main |
| 510-580 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-581 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-582 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-583 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-584 | MCI/Verizon | Wireless | Hayward |
| 510-585 | U.S. Telepacific | Landline | Frnk Main |
| 510-586 | Comcast | Landline | Hayward |
| 510-587 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-588 | Onvoy | Landline | Okld Mn-Pd |
| 510-589 | AT&T Mobility | Wireless | Hayward |
| 510-590 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-591 | AT&T Mobility | Wireless | Frnk Main |
| 510-592 | Lumen/Level 3 | Landline | Hrcul-Rode |
| 510-593 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-594 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-595 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-596 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-597 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-598 | T-Mobile | Wireless | Frnk Main |
| 510-599 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-600 | Onvoy | Landline | Hayward |
| 510-601 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-602 | Verizon Wireless | Wireless | Frnk Main |
| 510-603 | Comcast | Landline | Okld Frtvl |
| 510-604 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-605 | Verizon Wireless | Wireless | Hayward |
| 510-606 | Verizon Wireless | Wireless | Hayward |
| 510-607 | U.S. Telepacific | Landline | Okld Mn-Pd |
| 510-608 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-609 | T-Mobile | Wireless | Richmond |
| 510-610 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-612 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-613 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-614 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-615 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-616 | Sonic Telecom | Landline | Okld Bkly |
| 510-617 | Onvoy | Landline | Hrcul-Rode |
| 510-618 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-619 | Lumen/Level 3 | Landline | Richmond |
| 510-620 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-621 | MCI/Verizon | Wireless | Richmond |
| 510-622 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-623 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-624 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-625 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-626 | Bandwidth.com | Landline | Okld Trnid |
| 510-627 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-628 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-629 | Lumen/Level 3 | Landline | Okld Almd |
| 510-630 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-631 | AT&T Mobility | Wireless | Okld Bkly |
| 510-632 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-633 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-634 | Verizon Wireless | Wireless | Hayward |
| 510-635 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-636 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-637 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-638 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-639 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-640 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-641 | AT&T Mobility | Wireless | Elsbr-Pinl |
| 510-642 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-643 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-644 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-645 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-646 | Bandwidth.com | Landline | Okld Bkly |
| 510-647 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-648 | AT&T Mobility | Wireless | Frnk Main |
| 510-649 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-650 | Onvoy | Landline | Elsbr-Pinl |
| 510-651 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-652 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-653 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-654 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-655 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-656 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-657 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-658 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-659 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-660 | AT&T Mobility | Wireless | Richmond |
| 510-661 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-662 | MCI/Verizon | Wireless | Elsbr-Pinl |
| 510-663 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-664 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-665 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-666 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-667 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-668 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-669 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-670 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-671 | Bandwidth.com | Landline | Okld Almd |
| 510-672 | Verizon Wireless | Wireless | Richmond |
| 510-673 | Verizon Wireless | Wireless | Frnk Main |
| 510-674 | Onvoy | Landline | Hayward |
| 510-675 | AT&T (Pacific Bell) | Landline | Frnk Grnlf |
| 510-676 | AT&T Mobility | Wireless | Frnk Main |
| 510-677 | Metro by T-Mobile | Wireless | Hayward |
| 510-678 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-679 | Verizon Wireless | Wireless | Okld Bkly |
| 510-680 | CenturyLink | Landline | Richmond |
| 510-681 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-682 | Metro by T-Mobile | Wireless | Okld Almd |
| 510-683 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-684 | Metro by T-Mobile | Wireless | Okld Bkly |
| 510-685 | Verizon Wireless | Wireless | Richmond |
| 510-686 | AT&T | Landline | Okld Trnid |
| 510-687 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-688 | T-Mobile | Wireless | Hayward |
| 510-689 | Metro by T-Mobile | Wireless | Okld Frtvl |
| 510-690 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-691 | T-Mobile | Wireless | Hrcul-Rode |
| 510-692 | Metro by T-Mobile | Wireless | Okld Trnid |
| 510-693 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-694 | Onvoy | Landline | Okld Almd |
| 510-695 | Verizon Wireless | Wireless | Hayward |
| 510-696 | T-Mobile | Wireless | Okld Frtvl |
| 510-697 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-698 | U.S. Telepacific | Landline | Okld Frtvl |
| 510-699 | 33 Wireless | Wireless | Okld Mn-Pd |
| 510-700 | Landline | ||
| 510-701 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-702 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-703 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-704 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-705 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-706 | Metro by T-Mobile | Wireless | Hayward |
| 510-707 | T-Mobile | Wireless | Okld Trnid |
| 510-708 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-709 | Ip Horizon | Landline | Frnk Main |
| 510-710 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-712 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-713 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-714 | T-Mobile | Wireless | Frnk Main |
| 510-715 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-716 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-717 | T-Mobile | Wireless | Okld Bkly |
| 510-718 | American Messaging Services | Landline | Okld Mn-Pd |
| 510-719 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-720 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-721 | Onvoy | Landline | Okld Mn-Pd |
| 510-722 | Bandwidth.com | Landline | Crockett |
| 510-723 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-724 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-725 | Lumen/Level 3 | Landline | Okld Bkly |
| 510-726 | Peerless Network Of California | Landline | Crockett |
| 510-727 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-728 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-729 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-730 | Bandwidth.com | Landline | Richmond |
| 510-731 | MCI/Verizon | Wireless | Hayward |
| 510-732 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-733 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-734 | AT&T Mobility | Wireless | Richmond |
| 510-735 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-736 | T-Mobile | Wireless | Hayward |
| 510-737 | AT&T Mobility | Wireless | Frnk Main |
| 510-738 | Peerless Network Of California | Landline | Frnk Olivr |
| 510-739 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-740 | MCI/Verizon | Wireless | Okld Mn-Pd |
| 510-741 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-742 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-743 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-744 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-745 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-746 | U.S. Telepacific | Landline | Okld Trnid |
| 510-747 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-748 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-749 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-750 | Metro by T-Mobile | Wireless | Hayward |
| 510-751 | Onvoy | Landline | Hayward |
| 510-752 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-753 | T-Mobile | Wireless | Okld Trnid |
| 510-754 | Metro by T-Mobile | Wireless | Hayward |
| 510-755 | Metro by T-Mobile | Wireless | Hayward |
| 510-756 | T-Mobile | Wireless | Okld Trnid |
| 510-757 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-758 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-759 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-760 | Metro by T-Mobile | Wireless | Hayward |
| 510-761 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-762 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-763 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-764 | Lumen/Level 3 | Landline | Okld Almd |
| 510-765 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-766 | Bandwidth.com | Landline | Frnk Main |
| 510-767 | T-Mobile | Wireless | Frnk Main |
| 510-768 | MCI/Verizon | Wireless | Okld Mn-Pd |
| 510-769 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-770 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-771 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-772 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-773 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-774 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-775 | Bandwidth.com | Landline | Okld Almd |
| 510-776 | Metro by T-Mobile | Wireless | Richmond |
| 510-777 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-778 | Comcast | Landline | Richmond |
| 510-779 | Lumen/Level 3 | Landline | Elsbr-Pinl |
| 510-780 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-781 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-782 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-783 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-784 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-785 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-786 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-787 | AT&T (Pacific Bell) | Landline | Crockett |
| 510-788 | MCI/Verizon | Wireless | Okld Mn-Pd |
| 510-789 | MCI/Verizon | Wireless | Frnk Main |
| 510-790 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-791 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-792 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-793 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-794 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-795 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-796 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-797 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-798 | Metro by T-Mobile | Wireless | Okld Trnid |
| 510-799 | AT&T (Pacific Bell) | Landline | Hrcul-Rode |
| 510-800 | Onvoy | Landline | Okld Almd |
| 510-801 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-802 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-803 | MCI/Verizon | Wireless | Hrcul-Rode |
| 510-804 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-805 | Usa Mobility Wireless | Wireless | Okld Mn-Pd |
| 510-806 | Lumen/Level 3 | Landline | Richmond |
| 510-807 | T-Mobile | Wireless | Hayward |
| 510-808 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-809 | U.S. Telepacific | Landline | Okld Bkly |
| 510-810 | T-Mobile | Wireless | Okld Almd |
| 510-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-812 | Metro by T-Mobile | Wireless | Okld Bkly |
| 510-813 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-814 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-815 | T-Mobile | Wireless | Elsbr-Pinl |
| 510-816 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-817 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-818 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-819 | Spectrum | Landline | Hayward |
| 510-820 | T-Mobile | Wireless | Okld Trnid |
| 510-821 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-822 | T-Mobile | Wireless | Okld Trnid |
| 510-823 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-824 | MCI/Verizon | Wireless | Frnk Olivr |
| 510-825 | Metro by T-Mobile | Wireless | Hayward |
| 510-826 | AT&T Mobility | Wireless | Hayward |
| 510-827 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-828 | Verizon Wireless | Wireless | Hayward |
| 510-829 | Metro by T-Mobile | Wireless | Richmond |
| 510-830 | Ip Horizon | Landline | Okld Mn-Pd |
| 510-831 | Bandwidth.com | Landline | Richmond |
| 510-832 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-833 | Comcast | Landline | Okld Bkly |
| 510-834 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-835 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-836 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-837 | Teleport Communications America | Landline | Richmond |
| 510-838 | Bandwidth.com | Landline | Okld Frtvl |
| 510-839 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-840 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-841 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-842 | MCI/Verizon | Wireless | Okld Frtvl |
| 510-843 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-844 | MCI/Verizon | Wireless | Okld Mn-Pd |
| 510-845 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-846 | Verizon Wireless | Wireless | Okld Almd |
| 510-847 | Verizon Wireless | Wireless | Okld Bkly |
| 510-848 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-849 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-850 | T-Mobile | Wireless | Okld Trnid |
| 510-851 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-852 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-853 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-854 | Bandwidth.com | Landline | Elsbr-Pinl |
| 510-855 | Utility Telecom Group | Landline | Okld Mn-Pd |
| 510-856 | MCI/Verizon | Wireless | Hayward |
| 510-857 | MCI/Verizon | Wireless | Frnk Main |
| 510-858 | Metro by T-Mobile | Wireless | Okld Mn-Pd |
| 510-859 | U.S. Telepacific | Landline | Okld Bkly |
| 510-860 | Lumen/Level 3 | Landline | Richmond |
| 510-861 | AT&T Mobility | Wireless | Hayward |
| 510-862 | AT&T Mobility | Wireless | Hayward |
| 510-863 | MCI/Verizon | Wireless | Okld Almd |
| 510-864 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-865 | AT&T (Pacific Bell) | Landline | Okld Almd |
| 510-866 | Metro by T-Mobile | Wireless | Okld Frtvl |
| 510-867 | T-Mobile | Wireless | Okld Mn-Pd |
| 510-868 | Lumen/Level 3 | Landline | Okld Bkly |
| 510-869 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-870 | Lumen/Level 3 | Landline | Frnk Grnlf |
| 510-871 | Verizon Wireless | Wireless | Okld Almd |
| 510-872 | Metro by T-Mobile | Wireless | Okld Almd |
| 510-873 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-874 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-875 | MCI/Verizon | Wireless | Okld Trnid |
| 510-876 | AT&T | Landline | Hayward |
| 510-877 | MCI/Verizon | Wireless | Okld Trnid |
| 510-878 | Comcast | Landline | Okld Trnid |
| 510-879 | Teleport Communications America | Landline | Okld Mn-Pd |
| 510-880 | Onvoy | Landline | Hayward |
| 510-881 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-882 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-883 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-884 | Utility Telecom Group | Landline | Hayward |
| 510-885 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-886 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-887 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-888 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-889 | AT&T (Pacific Bell) | Landline | Hayward |
| 510-890 | T-Mobile | Wireless | Richmond |
| 510-891 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-892 | Onvoy | Landline | Hayward |
| 510-893 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-894 | Comcast | Landline | Frnk Main |
| 510-895 | AT&T (Pacific Bell) | Landline | Okld Trnid |
| 510-896 | Teleport Communications America | Landline | Frnk Main |
| 510-897 | Teleport Communications America | Landline | Frnk Olivr |
| 510-898 | Teleport Communications America | Landline | Okld Bkly |
| 510-899 | Bandwidth.com | Landline | Okld Mn-Pd |
| 510-900 | Onvoy | Landline | Okld Bkly |
| 510-901 | Bandwidth.com | Landline | Hayward |
| 510-902 | Onvoy | Landline | Frnk Main |
| 510-903 | Lumen/Level 3 | Landline | Okld Mn-Pd |
| 510-904 | Lumen/Level 3 | Landline | Okld Trnid |
| 510-905 | Metro by T-Mobile | Wireless | Okld Almd |
| 510-906 | Onvoy | Landline | Okld Almd |
| 510-907 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-908 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-909 | Verizon Wireless | Wireless | Hayward |
| 510-910 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 510-912 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-913 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-914 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-915 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-916 | T-Mobile | Wireless | Okld Trnid |
| 510-917 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-918 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-919 | Verizon Wireless | Wireless | Okld Mn-Pd |
| 510-920 | Sonic Telecom | Landline | Okld Mn-Pd |
| 510-921 | Teleport Communications America | Landline | Hayward |
| 510-922 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-923 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-924 | Lumen/Level 3 | Landline | Okld Trnid |
| 510-925 | Bandwidth.com | Landline | Hayward |
| 510-926 | Verizon Wireless | Wireless | Okld Bkly |
| 510-927 | Lumen/Level 3 | Landline | Okld Frtvl |
| 510-928 | AT&T Mobility | Wireless | Okld Mn-Pd |
| 510-929 | Bandwidth.com | Landline | Okld Mn-Pd |
| 510-930 | Peerless Network Of California | Landline | Okld Frtvl |
| 510-931 | Lumen/Level 3 | Landline | Hayward |
| 510-932 | T-Mobile | Wireless | Richmond |
| 510-933 | U.S. Telepacific | Landline | Frnk Olivr |
| 510-934 | T-Mobile | Wireless | Okld Frtvl |
| 510-935 | AT&T Mobility | Wireless | Hayward |
| 510-936 | AT&T (Pacific Bell) | Landline | Frnk Main |
| 510-937 | Bandwidth.com | Landline | Crockett |
| 510-938 | Metro by T-Mobile | Wireless | Frnk Main |
| 510-939 | Bandwidth.com | Landline | Hrcul-Rode |
| 510-940 | U.S. Telepacific | Landline | Hayward |
| 510-941 | Comcast | Landline | Frnk Grnlf |
| 510-942 | Teleport Communications America | Landline | Richmond |
| 510-943 | Lumen/Level 3 | Landline | Frnk Main |
| 510-944 | T-Mobile | Wireless | Okld Bkly |
| 510-945 | AT&T Mobility | Wireless | Frnk Grnlf |
| 510-946 | AT&T Mobility | Wireless | Frnk Olivr |
| 510-947 | Onvoy | Landline | Okld Mn-Pd |
| 510-948 | MCI/Verizon | Wireless | Hrcul-Rode |
| 510-949 | Onvoy | Landline | Hrcul-Rode |
| 510-950 | Landline | ||
| 510-951 | Verizon Wireless | Wireless | Hayward |
| 510-952 | Metro by T-Mobile | Wireless | Frnk Grnlf |
| 510-953 | AT&T Mobility | Wireless | Frnk Main |
| 510-954 | Onvoy | Landline | Hayward |
| 510-955 | MCI/Verizon | Wireless | Okld Trnid |
| 510-956 | Bandwidth.com | Landline | Okld Almd |
| 510-957 | MCI/Verizon | Wireless | Okld Trnid |
| 510-958 | Landline | ||
| 510-959 | Landline | ||
| 510-960 | AT&T | Landline | Okld Bkly |
| 510-961 | Bandwidth.com | Landline | Frnk Grnlf |
| 510-962 | Lumen/Level 3 | Landline | Hayward |
| 510-963 | AT&T Mobility | Wireless | Hayward |
| 510-964 | AT&T (Pacific Bell) | Landline | Elsbr-Pinl |
| 510-965 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-966 | Spectrum | Landline | Richmond |
| 510-967 | Metro by T-Mobile | Wireless | Okld Frtvl |
| 510-968 | American Messaging Services | Landline | Frnk Main |
| 510-969 | Lumen/Level 3 | Landline | Okld Trnid |
| 510-970 | AT&T (Pacific Bell) | Landline | Richmond |
| 510-971 | Teleport Communications America | Landline | Okld Mn-Pd |
| 510-972 | Comcast | Landline | Frnk Grnlf |
| 510-973 | T-Mobile | Wireless | Okld Bkly |
| 510-974 | Lumen/Level 3 | Landline | Richmond |
| 510-975 | Verizon Wireless | Wireless | Okld Almd |
| 510-976 | North County Communication Corporation - Ca | Landline | Okld Bkly |
| 510-977 | Fractel | Landline | Okld Bkly |
| 510-978 | Lumen/Level 3 | Landline | Okld Almd |
| 510-979 | AT&T (Pacific Bell) | Landline | Frnk Olivr |
| 510-980 | Verizon Wireless | Wireless | Frnk Main |
| 510-981 | AT&T (Pacific Bell) | Landline | Okld Bkly |
| 510-982 | MCI/Verizon | Wireless | Okld Bkly |
| 510-983 | Bandwidth.com | Landline | Frnk Olivr |
| 510-984 | Lumen/Level 3 | Landline | Okld Bkly |
| 510-985 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-986 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-987 | AT&T (Pacific Bell) | Landline | Okld Mn-Pd |
| 510-988 | T-Mobile | Wireless | Okld Frtvl |
| 510-989 | Integrated Path Communications | Landline | Okld Bkly |
| 510-990 | Onvoy | Landline | Okld Bkly |
| 510-991 | Onvoy | Landline | Frnk Grnlf |
| 510-992 | Bandwidth.com | Landline | Okld Mn-Pd |
| 510-993 | T-Mobile | Wireless | Okld Bkly |
| 510-994 | Bandwidth.com | Landline | Richmond |
| 510-995 | U.S. Telepacific | Landline | Okld Almd |
| 510-996 | Lumen/Level 3 | Landline | Frnk Main |
| 510-997 | American Messaging Services | Landline | Okld Mn-Pd |
| 510-998 | AT&T Mobility | Wireless | Elsbr-Pinl |
| 510-999 | Onvoy | Landline | Hayward |
Overlay Area Codes
All 40 area codes in California
About Area Code 510
Back in 1991, area code 510 got its start as a split from the old 415 code, and it was all about keeping up with the East Bay's explosive growth. Picture this: the Bay Area was buzzing with new businesses, families moving in, and a tech scene starting to take off, so they needed more phone numbers to go around. That meant carving out 510 for places like Oakland, Berkeley, and the rest of Alameda County. It's got that classic California vibe, with foggy mornings in the hills and sunny afternoons by the bay. Folks here are a mix of students hustling through UC Berkeley's campuses, port workers loading ships in Oakland, and everyday commuters zipping across the bridges. What sets 510 apart is its gritty edge—think revolutionary spirit from the Black Panther days to the modern activist hubs. You'll find hidden gems like the lively street art in Oakland or the laid-back coffee shops in Emeryville. Over the years, it's become a go-to for innovators and dreamers, drawing people who want that real, unpolished feel of Northern California life. With overlay code 341 stepping in later to handle even more demand, 510 keeps the lines open for everything from big deals to casual chats. It's not just digits on a phone; it's the heartbeat of a region that's always on the move, blending history with the next big thing.
⚠ Scam & Spam Alert for 510
If you're in the 510 area, you might get calls that seem off, like someone claiming to be from the IRS demanding payment right away or offering to renew your auto warranty with a too-good-to-be-true deal. Then there's the Medicare fraud crowd, preying on older residents with promises of free equipment or updates to their plans. Tech support scams are common too, where a caller says your computer is hacked and they need remote access to fix it. These nuisances hit hard because the area has a lot of tech-savvy folks and retirees. Don't fall for the pressure; scammers count on you acting fast. A simple way to stay safe is to hang up and call back the official number you know is legit, like the one on your IRS letter or warranty paperwork.
Local Snapshot
Oakland's population hovers around 440,000, making it a solid mid-sized city packed with energy. The East Bay area pulls in millions more, from families in suburban Fremont to students in Berkeley. Tech and biotech lead the way in industries here, with giants like Chevron and startups sprouting up, alongside the busy Port of Oakland that keeps global trade flowing. This region's known for its sports scene, like the Raiders' loyal fans and the A's at the Coliseum, plus a rich musical heritage from funk to hip-hop. Here's something that might surprise you: despite the urban hustle, spots like Tilden Park offer trails and wildlife just minutes from downtown, giving residents a quick escape to nature that not everyone expects in a place like this.
Frequently Asked Questions
Where is area code 510?
Area code 510 serves Oakland and surrounding communities in California, including Alameda, Albany, Berkeley, Emeryville, Fremont and 7 more. It is in the Pacific time zone.
What cities are in area code 510?
Area code 510 covers 12 cities in California: Alameda, Albany, Berkeley, Emeryville, Fremont, Hayward, Newark, Oakland, Piedmont, Richmond, and 2 more
What time zone is 510?
Area code 510 is in the Pacific time zone (UTC-8).
When was area code 510 created?
Area code 510 was established in 1991 as a geographic split from a larger area code region.
Is 510 a legitimate area code?
Yes, 510 is a valid, active area code assigned to Oakland, California. However, scammers can spoof any area code, so receiving a call from 510 doesn't guarantee the caller is actually in this area.
What area codes overlap with 510?
Area code 510 shares its geographic area with overlay code 341. This means all local calls in the area require 10-digit dialing.
Why was the 510 area code created in 1991?
The 510 area code was established in 1991 as a split from the 415 area code to address the growing need for phone numbers in the East Bay region. This change primarily affected cities like Oakland and Berkeley, which were experiencing rapid development. It helped manage the increasing demand from both residential and business users in these areas.
How does the 510 area code relate to Berkeley's university history?
Berkeley, covered by the 510 area code, is home to the University of California, Berkeley, founded in 1868 and a major hub for education. The university played a key role in movements like the Free Speech Movement in the 1960s, shaping local activism. Many alumni from this institution have influenced technology and science worldwide from the 510 region.
What local events are tied to the cities in the 510 area code?
Cities like Oakland in the 510 area host annual events such as the Oakland Marathon, which draws participants from across the region. Fremont celebrates cultural festivals that highlight its diverse population, including Asian heritage events. These gatherings reflect the area's mix of urban and suburban life in the East Bay.