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- Prefix City CO name Service Area Comments
- 415-215 Richmond Richmond Richmond New 510
- 415-221 San Francisco Evergreen 2 San Francisco 2
- 415-222 El Sobrante Capitol El Sobrante-Pinole New 510
- 415-223 El Sobrante Capitol El Sobrante-Pinole New 510
- 415-224 Pleasanton Main Pleasanton New 510
- 415-226 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-227 San Francisco Folsom 1 San Francisco 1
- 415-228 Martinez Martinez New 510
- 415-229 Martinez Martinez New 510
- 415-231 Richmond Main Richmond New 510
- 415-232 Richmond Main Richmond New 510
- 415-233 Richmond Main Richmond New 510
- 415-234 Richmond Main Richmond New 510
- 415-235 Richmond Main Richmond New 510
- 415-236 Richmond Main Richmond New 510
- 415-237 Richmond Main Richmond New 510
- 415-239 San Francisco Juniper 3 San Francisco 3
- 415-241 San Francisco Market 1 San Francisco 1 No POTS lines
- 415-243 San Francisco Folsom 1 San Francisco 1
- 415-244 South San Fran South SF-San Bruno
- 415-245 Hercules/Rodeo Hercules-Rodeo New 510
- 415-246 Concord Main Concord New 510
- 415-248 Dublin/SanRamon Dublin-San Ramon New 510
- 415-251 Oakland Main 2 East Bay 2 New 510
- 415-252 San Francisco Market 1 San Francisco 1
- 415-253 Orinda Orinda New 510
- 415-254 Orinda Orinda New 510
- 415-255 San Francisco Market 1 San Francisco 1
- 415-256 Walnut Creek Walnut Creek New 510
- 415-257 San Rafael Main San Rafael
- 415-258 San Rafael Main San Rafael
- 415-259 Millbrae Millbrae
- 415-261 Oakland Kellogg 2 East Bay 4 New 510
- 415-262 El Sobrante Capitol El Sobrante-Pinole New 510
- 415-263 Oakland Lakehurst 2 East Bay 3 New 510
- 415-264 San Francisco GTE
- 415-265 Oakland GTE New 510
- 415-266 South San Fran South SF-San Bruno
- 415-267 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-268 Oakland Main 2 East Bay 2 New 510
- 415-269 Oakland Oakland 3 Bay Area coverage Cellular One
- 415-271 Oakland Main 2 East Bay 2 New 510
- 415-272 Oakland Main 2 East Bay 2 New 510
- 415-273 Oakland Main 2 East Bay 2 New 510
- 415-274 San Francisco Bush/Pine 1 San Francisco 1 No POTS lines
- 415-275 Bishop Ranch Bishop Ranch New 510
- 415-276 Hayward Elgin Hayward New 510
- 415-277 Bishop Ranch Bishop Ranch New 510
- 415-278 Hayward Elgin Hayward New 510
- 415-279 Oakland Main 2 East Bay 2 New 510
- 415-282 San Francisco Mission 1 San Francisco 1
- 415-283 Lafayette Lafayette New 510
- 415-284 Lafayette Lafayette New 510
- 415-285 San Francisco Mission 1 San Francisco 1
- 415-287 Oakland Main 2 San Francisco 2 New 510
- 415-289 Sauaslito Sauaslito
- 415-291 San Francisco Bush/Pine 1 San Francisco 1
- 415-292 San Francisco West 1 San Francisco 1
- 415-293 Hayward Elgin Hayward New 510
- 415-294 Livermore Livermore New 510
- 415-295 Walnut Creek Walnut Creek New 510
- 415-296 San Francisco Bush/Pine 1 San Francisco 1
- 415-297 Oakland Elgin 3 East Bay 5 New 510
- 415-298 BACEB? ?? ??
- 415-302 Oakland Main 2 East Bay 2 New 510
- 415-306 Redwood City Main Redwood City
- 415-309 Oakland Oakland 3 Bay Area coverage Cellular One
- 415-317 Hayward Elgin Hayward New 510
- 415-321 Palo Alto Davis Palo Alto
- 415-322 Palo Alto Davis Palo Alto
- 415-323 Palo Alto Davis Palo Alto
- 415-324 Palo Alto Davis Palo Alto
- 415-325 Palo Alto Davis Palo Alto
- 415-326 Palo Alto Davis Palo Alto
- 415-327 Palo Alto Davis Palo Alto
- 415-328 Palo Alto Davis Palo Alto
- 415-329 Palo Alto Davis Palo Alto
- 415-330 San Francisco TO 3 San Francisco 3
- 415-331 Sausalito Sausalito
- 415-332 Sausalito Sausalito
- 415-333 San Francisco Juniper 3 San Francisco 3
- 415-334 San Francisco Juniper 3 San Francisco 3
- 415-335 Mountain View Mountain View No POTS lines
- 415-336 Mountain View Mountain View No POTS lines
- 415-337 San Francisco Juniper 3 San Francisco 3
- 415-338 San Francisco Juniper 3 San Francisco 3
- 415-339 Oakland MO 2 East Bay 2 New 510
- 415-340 San Mateo Main San Mateo
- 415-341 San Mateo FI San Mateo
- 415-342 San Mateo Main San Mateo
- 415-343 San Mateo Main San Mateo
- 415-344 San Mateo Main San Mateo
- 415-345 San Mateo FI San Mateo
- 415-346 San Francisco West 1 San Francisco 1
- 415-347 San Mateo Main San Mateo
- 415-348 San Mateo Main San Mateo
- 415-349 San Mateo FI San Mateo
- 415-351 Oakland Elgin 3 East Bay 5 New 510
- 415-352 Oakland Elgin 3 East Bay 5 New 510
- 415-354 Palo Alto SO Palo Alto
- 415-355 Pacifica Pacifica
- 415-356 Concord Main Concord New 510
- 415-357 Oakland Elgin 3 East Bay 5 New 510
- 415-358 San Mateo FI San Mateo
- 415-359 Pacifica Pacifica
- 415-361 Redwood City Main Redwood City
- 415-362 San Francisco Bush/Pine 1 San Francisco 1
- 415-363 Redwood City Main Redwood City
- 415-364 Redwood City Main Redwood City
- 415-365 Redwood City Main Redwood City
- 415-366 Redwood City Main Redwood City
- 415-367 Redwood City Main Redwood City
- 415-368 Redwood City Main Redwood City
- 415-369 Redwood City Main Redwood City
- 415-370 Martinez Martinez New 510
- 415-371 San Mateo FI San Mateo
- 415-372 Martinez Martinez New 510
- 415-373 Livermore Livermore New 510
- 415-374 Richmond Main Richmond New 510
- 415-375 San Mateo Main San Mateo
- 415-376 Moraga Moraga New 510
- 415-377 San Mateo FI San Mateo
- 415-378 San Mateo FI San Mateo
- 415-381 Mill Valley Main Mill Valley
- 415-382 Ignacio Main Ignacio
- 415-383 Mill Valley Main Mill Valley
- 415-385 Palo Alto GTE
- 415-386 San Francisco Evergreen 2 San Francisco 2
- 415-387 San Francisco Evergreen 2 San Francisco 2
- 415-388 Mill Valley Main Mill Valley
- 415-389 Mill Valley Main Mill Valley
- 415-391 San Francisco Bush/Pine 1 San Francisco 1
- 415-392 San Francisco Bush/Pine 1 San Francisco 1
- 415-393 San Francisco Bush/Pine 1 San Francisco 1
- 415-394 San Francisco Bush/Pine 1 San Francisco 1
- 415-395 San Francisco Bush/Pine 1 San Francisco 1 No POTS lines
- 415-396 San Francisco Folsom 1 San Francisco 1
- 415-397 San Francisco Bush/Pine 1 San Francisco 1
- 415-398 San Francisco Bush/Pine 1 San Francisco 1
- 415-399 San Francisco Bush/Pine 1 San Francisco 1
- 415-403 San Francisco San Francisco 1
- 415-420 Oakland Olympic 2 East Bay 2 New 510
- 415-421 San Francisco Bush/Pine 1 San Francisco 1
- 415-422 Livermore Livermore New 510
- 415-423 Livermore Livermore New 510
- 415-424 Palo Alto SO Palo Alto
- 415-425 Oakland Olympic 3 East Bay 5 New 510
- 415-426 Pleasanton Plaza Pleasanton new 510
- 415-427 Pittsburg Main Pittsburg New 510
- 415-428 Oakland Olympic 2 East Bay 2 New 510
- 415-429 Fremont-Newark Greenleaf Fremont-Newark 1 New 510
- 415-430 Oakland Neptune 3 East Bay 5 New 510
- 415-431 San Francisco Market 1 San Francisco 1
- 415-432 Pittsburg Main Pittsburg New 510
- 415-433 San Francisco Bush/Pine 1 San Francisco 1
- 415-434 San Francisco Bush/Pine 1 San Francisco 1
- 415-435 Belvedere Main Belvedere
- 415-436 Oakland Kellogg 2 East Bay 4 New 510
- 415-437 Oakland Kellogg 2 East Bay 4 New 510
- 415-438 Fremont-Newark Oliver Fremont-Newark New 510
- 415-439 Pittsburg Main Pittsburg New 510
- 415-441 San Francisco West 1 San Francisco 1
- 415-442 San Francisco Folsom 1 San Francisco 1
- 415-443 Livermore Livermore New 510
- 415-444 Oakland Main 2 East Bay 2 New 510
- 415-445 San Francisco Bush/Pine 1 San Francisco 1 No POTS lines
- 415-446 Oakland Main 2 East Bay 2 New 510
- 415-447 Livermore Livermore New 510
- 415-448 Oakland Main 2 East Bay 2 New 510 No POTS lines
- 415-449 Livermore Livermore New 510
- 415-451 Oakland Main 2 East Bay 2 New 510
- 415-452 Oakland Main 2 East Bay 2 New 510
- 415-453 San Rafael Main San Rafael
- 415-454 San Rafael Main San Rafael
- 415-455 Livermore Livermore New 510
- 415-456 San Rafael Main San Rafael
- 415-457 San Rafael Main San Rafael
- 415-458 Pittsburg West Pittsburg New 510
- 415-459 San Rafael Main San Rafael
- 415-460 Pleasanton Main Pleasanton New 510
- 415-461 San Rafael CM San Rafael
- 415-462 Pleasanton Plaza Pleasanton New 510
- 415-463 Pleasanton Main Pleasanton New 510
- 415-464 Oakland Main 2 East Bay 2 New 510
- 415-465 Oakland Main 2 East Bay 2 New 510
- 415-466 Oakland Main 2 East Bay 2 New 510 No POTS lines Pagers
- 415-467 San Francisco TO 3 San Francisco 2
- 415-468 San Francisco TO 3 San Francisco 2
- 415-469 San Francisco Juniper 3 San Francisco 2
- 415-471 Fremont-Newark Greenleaf Fremont-Newark 1 New 510
- 415-472 San Rafael GR San Rafael
- 415-473 Palo Alto SO Palo Alto
- 415-474 San Francisco West 1 San Francisco 1
- 415-475 Fremont-Newark Greenleaf Fremont-Newark 1 New 510
- 415-476 San Francisco UC 2 San Francisco 2
- 415-477 San Francisco Bush/Pine 1 San Francisco 1
- 415-478 San Francisco Bush/Pine 1 San Francisco 1 Choke No POTS lines
- 415-479 San Rafael GR San Rafael
- 415-481 Hayward Elgin Hayward New 510
- 415-482 Oakland Market 2 East Bay 4 New 510
- 415-483 Oakland Elgin 3 East Bay 5 New 510
- 415-484 Pleasanton Plaza Pleasanton new 510
- 415-485 San Rafael Main San Rafael
- 415-486 Oakland Thornwall 1 East Bay 1 New 510
- 415-487 Fremont-Newark Greenleaf Fremont-Newark 1 New 510
- 415-488 San Rafael SG San Rafael
- 415-489 Fremont-Newark Greenleaf Fremont-Newark 1 New 510
- 415-490 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-491 San Rafael GR San Rafael
- 415-492 San Rafael GR San Rafael
- 415-493 Palo Alto SO Palo Alto
- 415-494 Palo Alto SO Palo Alto
- 415-495 San Francisco Folsom 1 San Francisco 1
- 415-496 Palo Alto SO Palo Alto
- 415-497 Palo Alto Davis Palo Alto
- 415-498 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-499 San Rafael GR San Rafael
- 415-502 San Francisco UC 2 San Francisco 2
- 415-506 San Carlos/Belmont San Carlos/Belmont
- 415-507 San Rafael San Rafael
- 415-508 San Carlos/Belmont San Carlos/Belmont
- 415-509 Oakland East Bay 2
- 415-512 San Francisco San Francisco 1
- 415-516 E Contra Costa BD
- 415-519 Oakland East Bay 2
- 415-521 Oakland Lakehurst 2 East Bay 3 New 510
- 415-522 Oakland Lakehurst 2 East Bay 3 New 510
- 415-523 Oakland Lakehurst 2 East Bay 3 New 510
- 415-524 Oakland Lakeshore 1 East Bay 1 New 510
- 415-525 Oakland Lakeshore 1 East Bay 1 New 510
- 415-526 Oakland Lakeshore 1 East Bay 1 New 510
- 415-527 Oakland Lakeshore 1 East Bay 1 New 510
- 415-528 Oakland Lakeshore 1 East Bay 1 New 510
- 415-529 Oakland Richmond 1 East Bay 1 New 510
- 415-530 Oakland Market 2 East Bay 4 New 510
- 415-531 Oakland Market 2 East Bay 4 New 510
- 415-532 Oakland Kellogg 2 East Bay 4 New 510
- 415-533 Oakland Kellogg 2 East Bay 4 New 510
- 415-534 Oakland Kellogg 2 East Bay 4 New 510
- 415-535 Oakland Kellogg 2 East Bay 4 New 510
- 415-536 Oakland Kellogg 2 East Bay 4 New 510
- 415-537 Hayward Main Hayward New 510
- 415-538 Hayward Main Hayward New 510
- 415-539 Oakland Main 2 East Bay 2 New 510
- 415-540 Oakland Thornwall 1 East Bay 1 New 510
- 415-541 San Francisco Folsom 1 San Francisco 1
- 415-542 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-543 San Francisco Folsom 1 San Francisco 1
- 415-544 San Francisco Bush/Pine 1 San Francisco 1
- 415-545 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-546 San Francisco Folsom 1 San Francisco 1
- 415-547 Oakland Olympic 2 East Bay 2 New 510
- 415-548 Oakland Thornwall 1 East Bay 1 New 510
- 415-549 Oakland Thornwall 1 East Bay 1 New 510
- 415-550 San Francisco Mission 1 San Francisco 1
- 415-551 Dublin/SanRamon Dublin-San Ramon New 510
- 415-552 San Francisco Market 1 San Francisco 1
- 415-553 San Francisco Market 1 San Francisco 1
- 415-554 San Francisco Market 1 San Francisco 1
- 415-556 San Francisco Market 1 San Francisco 1 No POTS lines
- 415-557 San Francisco Market 1 San Francisco 1 CPUC No POTS lines
- 415-558 San Francisco Market 1 San Francisco 1
- 415-559 Oakland Lakeshore 1 East Bay 1 New 510
- 415-561 San Francisco West 1 San Francisco 1
- 415-562 Oakland Neptune 3 East Bay 5 New 510
- 415-563 San Francisco West 1 San Francisco 1
- 415-564 San Francisco Montrose 2 San Francisco 2
- 415-565 San Francisco Market 1 San Francisco 1 No POTS lines
- 415-566 San Francisco Montrose 2 San Francisco 2
- 415-567 San Francisco West 1 San Francisco 1
- 415-568 Oakland Neptune 3 East Bay 5 New 510
- 415-569 Oakland Neptune 3 East Bay 5 New 510
- 415-570 San Mateo FI San Mateo
- 415-571 San Mateo FI San Mateo
- 415-572 San Mateo FI San Mateo
- 415-573 San Mateo FI San Mateo
- 415-574 San Mateo FI San Mateo
- 415-576 San Francisco Bush/Pine 1 San Francisco 1
- 415-577 Oakland Neptune 3 East Bay 5 New 510
- 415-578 San Mateo FI San Mateo
- 415-579 San Mateo Main San Mateo
- 415-581 Hayward Main Hayward New 510
- 415-582 Hayward Main Hayward New 510
- 415-583 South San Fran South SF-San Bruno
- 415-584 San Francisco Juniper 3 San Francisco 3
- 415-585 San Francisco Juniper 3 San Francisco 3
- 415-586 San Francisco Juniper 3 San Francisco 3
- 415-587 San Francisco Juniper 3 San Francisco 3
- 415-588 South San Fran South SF-San Bruno
- 415-589 South San Fran South SF-San Bruno
- 415-591 San Carlos/Belmont San Carlos-Belmont
- 415-592 San Carlos/Belmont San Carlos-Belmont
- 415-593 San Carlos/Belmont San Carlos-Belmont
- 415-594 San Carlos/Belmont San Carlos-Belmont
- 415-595 San Carlos/Belmont San Carlos-Belmont
- 415-596 Oakland Olympic 2 East Bay 2 New 510
- 415-597 San Francisco Folsom 1 San Francisco 1
- 415-598 San Carlos/Belmont San Carlos-Belmont
- 415-601 Oakland Olympic 2 East Bay 2 New 510
- 415-614 Oakland Neptune 3 East Bay 5 New 510
- 415-620 Richmond Main Richmond New 510
- 415-621 San Francisco Market 1 San Francisco 1
- 415-622 San Francisco Bush/Pine 1 San Francisco 1 No POTS lines
- 415-623 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-624 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-625 E Contra Costa OK New 510
- 415-626 San Francisco Market 1 San Francisco 1
- 415-627 San Francisco Bush/Pine 1 San Francisco 1
- 415-631 Moraga Moraga New 510
- 415-632 Oakland Neptune 3 East Bay 5 New 510
- 415-633 Oakland Neptune 3 East Bay 5 New 510
- 415-634 E Contra Costa BD New 510
- 415-635 Oakland Neptune 3 East Bay 5 New 510
- 415-636 Oakland Neptune 3 East Bay 5 New 510
- 415-637 San Carlos/Belmont San Carlos-Belmont
- 415-638 Oakland Neptune 3 East Bay 5 New 510
- 415-639 Oakland Neptune 3 East Bay 5 New 510
- 415-641 San Francisco Mission 1 San Francisco 1
- 415-642 Oakland Thornwall 1 East Bay 1 New 510
- 415-643 Oakland Thornwall 1 East Bay 1 New 510
- 415-644 Oakland Thornwall 1 East Bay 1 New 510
- 415-645 Oakland Main 2 East Bay 2 New 510
- 415-646 Concord Main Concord New 510
- 415-647 San Francisco Mission 1 San Francisco 1
- 415-648 San Francisco Mission 1 San Francisco 1
- 415-649 Oakland Thornwall 1 East Bay 1 New 510
- 415-651 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-652 Oakland Olympic 2 East Bay 2 New 510
- 415-653 Oakland Olympic 2 East Bay 2 New 510
- 415-654 Oakland Olympic 2 East Bay 2 New 510
- 415-655 Oakland Olympic 2 East Bay 2 New 510
- 415-656 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-657 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-658 Oakland Olympic 2 East Bay 2 New 510
- 415-659 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-660 Oakland Lakeshore 1 East Bay 1 New 510
- 415-661 San Francisco Montrose 2 San Francisco 2
- 415-662 Nicasio Nicasio
- 415-663 Point Reyes Point Reyes
- 415-664 San Francisco Montrose 2 San Francisco 2
- 415-665 San Francisco Montrose 2 San Francisco 2
- 415-666 San Francisco Evergreen 2 San Francisco 2
- 415-667 Oakland Elgin 3 East Bay 5 New 510
- 415-668 San Francisco Evergreen 2 San Francisco 2
- 415-669 Inverness Inverness
- 415-670 Hayward Sunset Hayward New 510
- 415-671 Concord Main Concord New 510
- 415-672 Clayton Clayton New 510
- 415-673 San Francisco West 1 San Francisco 1
- 415-674 Concord Main Concord New 510
- 415-675 Concord Main Concord New 510
- 415-676 Concord Main Concord New 510
- 415-677 San Francisco San Francisco 1
- 415-678 Oakland Elgin 3 East Bay 5 New 510
- 415-680 Concord Main Concord New 510
- 415-681 San Francisco Montrose 2 San Francisco 2
- 415-682 Concord Main Concord New 510
- 415-683 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-684 E Contra Costa BI New 510
- 415-685 Concord Main Concord New 510
- 415-686 Concord Main Concord New 510
- 415-687 Concord Main Concord New 510
- 415-688 Palo Alto Davis
- 415-689 Concord Main Concord New 510
- 415-691 Mountain View Mountain View
- 415-692 Millbrae Millbrae
- 415-694 Mountain View Mountain View
- 415-695 San Francisco Mission 1 San Francisco 1
- 415-696 San Mateo Main San Mateo
- 415-697 Millbrae Millbrae
- 415-705 San Francisco San Francisco 1
- 415-706 Antioch Main New 510
- 415-709 Pittsburg West Pittsburg New 510
- 415-713 Fremont-Newark Oliver Fremont-Newark 2 New 510
- 415-716 Oakland East Bay 2 New 510
- 415-717 Oakland East Bay 2 New 510
- 415-718 Oakland East Bay 2 New 510
- 415-719 San Francisco San Francisco 1
- 415-721 San Rafael Main San Rafael No POTS lines
- 415-722 San Mateo GTE San Mateo
- 415-723 Palo Alto Davis Palo Alto
- 415-724 El Sobrante Capitol El Sobrante-Pinole New 510
- 415-724 El Sobrante HR El Sobrante-Pinole new 510
- 415-725 Palo Alto Davis Palo Alto
- 415-726 Half Moon Bay Half Moon Bay
- 415-727 Hayward Main Hayward New 510
- 415-728 Moss Beach Moss Beach
- 415-729 Oakland Neptune 3 East Bay 5 New 510 No POTS lines
- 415-731 San Francisco Montrose 2 San Francisco 2
- 415-732 Hayward Sunset Hayward New 510
- 415-733 Hayward Main Hayward New 510
- 415-734 Pleasanton Main Pleasanton New 510
- 415-735 Bishop Ranch Bishop Ranch New 510
- 415-736 Danville Main Danville New 510
- 415-737 South San Fran South SF-San Bruno
- 415-738 Pacifica Pacifica
- 415-739 San Francisco West 1 San Francisco 1
- 415-741 El Sobrante HR El Sobrante-Pinole New 510
- 415-742 South San Fran South SF-San Bruno
- 415-743 Danville Main Danville New 510
- 415-744 San Francisco Folsom 1 San Francisco 1 Federal Government
- 415-745 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-746 Walnut Creek Walnut Creek New 510
- 415-747 La Honda La Honda
- 415-748 Oakland Lakehurst 2 East Bay 3 New 510
- 415-749 San Francisco West 1 San Francisco 1
- 415-750 San Francisco Evergreen 2 San Francisco 2 DID No POTS lines
- 415-751 San Francisco Evergreen 2 San Francisco 2
- 415-752 San Francisco Evergreen 2 San Francisco 2
- 415-753 San Francisco Montrose 2 San Francisco 2
- 415-754 Antioch Main New 510
- 415-755 San Francisco Plaza 3 San Francisco 3
- 415-756 San Francisco Plaza 3 San Francisco 3
- 415-757 Antioch Main New 510
- 415-758 El Sobrante Capitol El Sobrante-Pinole New 510
- 415-759 San Francisco Montrose 2 San Francisco 2
- 415-760 entire 415 area ANAC, Keypad Tests, Special Loops
- 415-761 San Francisco SB 3 San Francisco 3
- 415-762 Oakland Main 2 East Bay 2 new 510 FX lines
- 415-763 Oakland Main 2 East Bay 2 New 510
- 415-764 San Francisco Folsom 1 San Francisco 1
- 415-765 San Francisco Bush/Pine 1 San Francisco 1
- 415-766 San Francisco Folsom 1 San Francisco 1
- 415-767 Oakland Neptune 3 Time No POTS lines
- 415-768 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-769 Oakland Lakehurst 2 East Bay 3 New 510
- 415-770 Fremont-Newark Oliver Fremont-Newark New 510
- 415-771 San Francisco West 1 San Francisco 1
- 415-772 San Francisco Bush/Pine 1 San Francisco 1
- 415-773 San Francisco Bush/Pine 1 San Francisco 1 No POTS lines
- 415-774 San Francisco Bush/Pine 1 San Francisco 1
- 415-775 San Francisco West 1 San Francisco 1
- 415-776 San Francisco West 1 San Francisco 1
- 415-777 San Francisco Folsom 1 San Francisco 1
- 415-778 Antioch Main New 510
- 415-779 Antioch Main New 510
- 415-780 Redwood City Main Redwood City
- 415-781 San Francisco Bush/Pine 1 San Francisco 1
- 415-782 Hayward Sunset Hayward New 510
- 415-783 Hayward Sunset Hayward New 510
- 415-784 Hayward Sunset Hayward New 510
- 415-785 Hayward Sunset Hayward New 510
- 415-786 Hayward Sunset Hayward New 510
- 415-787 Crockett/Rodeo Crockett New 510
- 415-788 San Francisco Bush/Pine 1 San Francisco 1
- 415-789 Belvedere Main Belvedere
- 415-790 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-791 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-792 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-793 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-794 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-795 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-796 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-797 Fremont-Newark Main Fremont-Newark 2 New 510
- 415-798 Concord Main Concord New 510
- 415-799 Hercules/Rodeo Hercules-Rodeo New 510
- 415-802 San Francisco San Francisco 1
- 415-803 Oakland East Bay 2
- 415-804 San Francisco San Francisco 1
- 415-806 San Francisco San Francisco 1
- 415-820 Danville Main Danville New 510
- 415-821 San Francisco Mission 1 San Francisco 1
- 415-822 San Francisco TM 1 San Francisco 1
- 415-823 Bishop Ranch Bishop Ranch New 510
- 415-824 San Francisco Mission 1 San Francisco 1
- 415-825 Concord Main Concord New 510
- 415-826 San Francisco Mission 1 San Francisco 1
- 415-827 Concord Main Concord New 510
- 415-828 Dublin/SanRamon Dublin-San Ramon New 510
- 415-829 Dublin/SanRamon Dublin-San Ramon New 510
- 415-830 Bishop Ranch Bishop Ranch New 510
- 415-831 Danville Main Danville New 510
- 415-832 Oakland Main 2 East Bay 2 New 510
- 415-833 Dublin/SanRamon Dublin-San Ramon New 510
- 415-834 Oakland Main 2 East Bay 2 New 510
- 415-835 Oakland Main 2 East Bay 2 New 510
- 415-836 Oakland Main 2 East Bay 2 New 510
- 415-837 Danville Main Danville New 510
- 415-838 Danville Main Danville New 510
- 415-839 Oakland Main 2 East Bay 2 New 510
- 415-840 Oakland Main 2 East Bay 2 New 510 No POTS lines
- 415-841 Oakland Thornwall 1 East Bay 1 New 510
- 415-842 Bishop Ranch Bishop Ranch New 510
- 415-843 Oakland Thornwall 1 East Bay 1 New 510
- 415-845 Oakland Thornwall 1 East Bay 1 New 510
- 415-846 Pleasanton Plaza Pleasanton New 510
- 415-847 Pleasanton Main Pleasanton New 510
- 415-848 Oakland Thornwall 1 East Bay 1 New 510
- 415-849 Oakland Thornwall 1 East Bay 1 New 510
- 415-851 Woodside Woodside
- 415-852 Palo Alto SO Palo Alto
- 415-853 Palo Alto Davis Palo Alto
- 415-854 Palo Alto MP Palo Alto
- 415-855 Palo Alto SO Palo Alto
- 415-856 Palo Alto SO Palo Alto
- 415-857 Palo Alto SO Palo Alto
- 415-858 Palo Alto SO Palo Alto
- 415-859 Palo Alto SO Palo Alto
- 415-860 Oakland Thornwall 1 East Bay 1 New 510
- 415-861 San Francisco Market 1 San Francisco 1
- 415-862 Sunol Sunol New 510
- 415-863 San Francisco Market 1 San Francisco 1
- 415-864 San Francisco Market 1 San Francisco 1
- 415-865 Oakland Lakehurst 2 East Bay 3 New 510
- 415-866 Bishop Ranch Bishop Ranch New 510
- 415-867 Bishop Ranch Bishop Ranch New 510
- 415-868 Stinson/Bolinas
- 415-869 Oakland Main 2 East Bay 3 New 510 No POTS lines
- 415-871 South San Fran South SF-San Bruno
- 415-872 South San Fran South SF-San Bruno
- 415-873 South San Fran South SF-San Bruno
- 415-874 Oakland Main 2 East Bay 2 New 510
- 415-875 South San Fran South SF-San Bruno
- 415-876 South San Fran South SF-San Bruno
- 415-877 South San Fran South SF-San Bruno
- 415-878 South San Fran South SF-San Bruno
- 415-879 Pescadero
- 415-881 Hayward Main Hayward New 510
- 415-882 San Francisco Folsom 1 San Francisco 1
- 415-883 Ignacio Main Ignacio
- 415-884 Hayward Main Hayward New 510
- 415-885 San Francisco West 1 San Francisco 1
- 415-886 Hayward Main Hayward New 510
- 415-887 Hayward Sunset Hayward New 510
- 415-888 Hayward Main Hayward New 510
- 415-889 Hayward Main Hayward New 510
- 415-891 Oakland Main 2 East Bay 2 New 510
- 415-892 Novato GTE
- 415-893 Oakland Main 2 East Bay 2 New 510
- 415-894 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-895 Oakland Elgin 3 East Bay 5 New 510
- 415-896 San Francisco Folsom 1 San Francisco 1
- 415-897 Novato GTE
- 415-898 Novato GTE
- 415-899 Novato GTE
- 415-921 San Francisco West 1 San Francisco 1
- 415-922 San Francisco West 1 San Francisco 1
- 415-923 San Francisco West 1 San Francisco 1
- 415-924 Corte Madera Corte Madera
- 415-925 San Rafael CM San Rafael
- 415-926 Palo Alto MP Palo Alto No POTS lines
- 415-927 Corte Madera Corte Madera
- 415-928 San Francisco West 1 San Francisco 1
- 415-929 San Francisco West 1 San Francisco 1
- 415-930 Walnut Creek Walnut Creek New 510
- 415-931 San Francisco West 1 San Francisco 1
- 415-932 Walnut Creek Walnut Creek New 510
- 415-933 Walnut Creek Walnut Creek New 510
- 415-934 Walnut Creek Walnut Creek New 510
- 415-935 Walnut Creek Walnut Creek New 510
- 415-936 San Francisco Folsom 1 San Francisco 1 Weather No POTS lines
- 415-937 Walnut Creek Walnut Creek New 510
- 415-938 Walnut Creek Walnut Creek New 510
- 415-939 Walnut Creek Walnut Creek New 510
- 415-940 Mountain View Mountain View
- 415-941 Los Altos Los Altos
- 415-942 Walnut Creek Walnut Creek New 510
- 415-943 Walnut Creek Walnut Creek New 510
- 415-944 Walnut Creek Walnut Creek New 510
- 415-945 Walnut Creek Walnut Creek New 510
- 415-946 Walnut Creek Walnut Creek New 510
- 415-947 Walnut Creek Walnut Creek New 510
- 415-948 Los Altos Los Altos
- 415-949 Los Altos Los Altos
- 415-951 San Francisco Bush/Pine 1 San Francisco 1
- 415-952 South San Fran CO South SF-San Bruno
- 415-953 San Francisco Bush/Pine 1 San Francisco 1
- 415-954 San Francisco Bush/Pine 1 San Francisco 1
- 415-955 San Francisco Bush/Pine 1 San Francisco 1
- 415-956 San Francisco Bush/Pine 1 San Francisco 1
- 415-957 San Francisco Folsom 1 San Francisco 1
- 415-960 Mountain View Mountain View
- 415-961 Mountain View Mountain View
- 415-962 Mountain View Mountain View
- 415-964 Mountain View Mountain View
- 415-965 Mountain View Mountain View
- 415-966 Mountain View Mountain View
- 415-967 Mountain View Mountain View
- 415-968 Mountain View Mountain View
- 415-969 Mountain View Mountain View
- 415-970 Richmond Main Richmond New 510
- 415-971 Danville GTE Danville New 510
- 415-972 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-973 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-974 San Francisco Folsom 1 San Francisco 1
- 415-975 Walnut Creek Walnut Creek New 510
- 415-976 San Francisco Bush/Pine 1 San Francisco 1 TOLL AIS No POTS lines
- 415-977 Walnut Creek Walnut Creek New 510
- 415-978 San Francisco Folsom 1 San Francisco 1
- 415-979 San Francisco Folsom 1 San Francisco 1
- 415-981 San Francisco Bush/Pine 1 San Francisco 1
- 415-982 San Francisco Bush/Pine 1 San Francisco 1
- 415-983 San Francisco Bush/Pine 1 San Francisco 1
- 415-984 San Francisco Bush/Pine 1 San Francisco 1
- 415-985 San Francisco Plaza 3 San Francisco 3
- 415-986 San Francisco Bush/Pine 1 San Francisco 1
- 415-987 Oakland Main 2 East Bay 2 New 510
- 415-988 San Francisco
- 415-989 San Francisco Bush/Pine 1 San Francisco 1
- 415-990 Oakland Oakland 3 Bay Area coverage Cellular One
- 415-991 San Francisco Plaza 3 San Francisco 3
- 415-992 San Francisco Plaza 3 San Francisco 3
- 415-993 San Francisco RE 3 San Francisco 3
- 415-994 San Francisco Plaza 3 San Francisco 3
- 415-995 San Francisco Folsom 1 San Francisco 1 No POTS lines
- 415-997 San Francisco Plaza 3 San Francisco 3
- 415-998 San Francisco Folsom 1 San Francisco 1 Cellular & Pagers
- 415-999 Oakland Oakland 3 Bay Area coverage Cellular One
-
- Notes:
- 011 Prefix is used for International Direct Distance Dialing
- 211 Prefix is used for coin telephone assistance
- 311 Prefix is not assigned
- 411 Prefix is local telephone information in most areas
- 511 Prefix is not assigned
- 611 Prefix is local telephone circuit repair service, most areas
- 711 Prefix is not assigned
- 811 Prefix is local telephone company toll-free business office, statewide
- 911 Prefix is emergency police, fire, & ambulance, most cities
- 950 Prefix is equal access for long distance carriers
-
- 510 Area Code starts on September 2, 1991. 6 month grace period will be
- allowed, ending on March 2, 1992. All calls will then need 1+NPA prefixing.
-
- numbers not found in phone books, but are listed here
- 224 228 229 259 264 265 279 298 335 336 362 373 385 422 423
- 426 443 447 449 455 460 484 516 625 634 660 670 684 688 706
- 722 734 754 757 766 768 770 778 779 831 837 838 846 847 860
- 868 879 892 897 898 899 936 970 971 988
-
- Potential prefixes, not already on this list.
- 200- 210 212 213 214 216 217 218 219 220 225 230 238 240 242
- 247 249 250 260 270 280 281 286 288 290 299 300 301 303 304
- 305 307 308 310 312 313 314 315 316 318 319 320 350 353 360
- 379 380 384 390 400 401 402 404- 410 412- 419 440 450 470 480
- 500 501 503 504 505 510 513 514 515 517 518 520 560 580 590
- 599 600 602- 610 612 613 615 616- 619 628 629 630 640 650 679
- 690 693 698 699 700 701 702 703 704 707 708 710 712 714 715
- 720 730 740 800 801 807 808 809 810 812- 819 850 870 880 890
- 900- 910 912- 920 958 959 980