650 Area Code: Location, Cities, Map And Time Zone

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Area Code 650

Area code 650 is in California, USA , spanning 2 counties and serving 26 cities , including Daly City, San Mateo or Redwood City; it currently uses 707 prefixes , assigned from 650-200-XXXX through 650-999-XXXX.

In service date for area code 650: August 02, 1997.

The current local time is .

650 area code location on a map
© OpenStreetMap contributorsFor exact NPA boundaries see official 650 area code map

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More California area codes:

  • 209
  • 213
  • 279
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  • 357
  • 369
  • 408
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  • 442
  • 510
  • 530
  • 559
  • 562
  • 619
  • 626
  • 628
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  • 837
  • 840
  • 858
  • 909
  • 916
  • 925
  • 949
  • 951

Locate any 650-NXX prefix:

650-200-XXXX --- 650-299-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-200 San Mateo Multiple N/A
650-201 South San Francisco Multiple N/A
650-202 San Mateo Utility Telecom Group N/A
650-203 Mountain View Multiple 12/1/2015
650-204 Millbrae Multiple N/A
650-205 South San Francisco USA Mobility Wireless N/A
650-206 Woodside Multiple N/A
650-207 Redwood City Cellco Partnership N/A
650-208 Redwood City Cellco Partnership N/A
650-209 Los Altos Multiple N/A
650-210 Mountain View Multiple N/A
650-212 San Mateo Multiple N/A
650-213 Palo Alto Multiple N/A
650-214 Mountain View MCIMetro Access Transmission Services 2/15/2007
650-215 Mountain View Multiple N/A
650-216 Redwood City Multiple N/A
650-217 San Mateo USA Mobility Wireless N/A
650-218 San Mateo T-Mobile USA N/A
650-219 South San Francisco T-Mobile USA N/A
650-220 Mountain View Multiple 10/10/2023
650-221 South San Francisco Shelcomm 09/12/2024
650-222 San Mateo T-Mobile USA N/A
650-223 Palo Alto Multiple N/A
650-224 Mountain View New Cingular Wireless PCS N/A
650-225 South San Francisco Pacific Bell N/A
650-226 San Carlos-Belmont Multiple N/A
650-227 San Mateo Multiple N/A
650-228 South San Francisco Multiple N/A
650-229 Los Altos Multiple N/A
650-230 Mountain View MCIMetro Access Transmission Services N/A
650-231 Millbrae Multiple N/A
650-232 San Carlos-Belmont Multiple N/A
650-233 Palo Alto Pacific Bell N/A
650-234 Palo Alto Pacific Bell N/A
650-235 San Mateo Multiple N/A
650-236 Palo Alto Pacific Bell N/A
650-237 Mountain View Multiple N/A
650-238 South San Francisco Multiple N/A
650-239 Millbrae Multiple N/A
650-240 San Mateo Multiple N/A
650-241 Redwood City Multiple N/A
650-242 San Mateo Multiple N/A
650-243 South San Francisco Multiple N/A
650-244 South San Francisco Pacific Bell N/A
650-245 San Mateo New Cingular Wireless PCS N/A
650-246 South San Francisco Multiple N/A
650-247 Woodside Multiple 12/29/2023
650-248 Palo Alto Multiple N/A
650-249 Redwood City Multiple N/A
650-250 Palo Alto Multiple 4/29/2016
650-251 Palo Alto Multiple N/A
650-252 Palo Alto Peerless Network Of California 4/13/2012
650-253 Mountain View MCIMetro Access Transmission Services 4/27/2004
650-254 Mountain View Multiple N/A
650-255 South San Francisco New Cingular Wireless PCS N/A
650-256 South San Francisco American Messaging Services N/A
650-257 Redwood City Multiple N/A
650-258 Palo Alto Teleport Communications America 9/13/2011
650-259 Millbrae Multiple N/A
650-260 Redwood City Multiple N/A
650-261 Redwood City Pacific Bell N/A
650-262 Pescadero Multiple N/A
650-263 Moss Beach Multiple N/A
650-264 San Carlos-Belmont Multiple N/A
650-265 Mountain View Multiple N/A
650-266 South San Francisco Pacific Bell N/A
650-267 South San Francisco Multiple N/A
650-268 Pescadero Multiple N/A
650-269 Palo Alto Cellco Partnership N/A
650-270 South San Francisco Multiple N/A
650-271 San Francisco Multiple 8/22/2001
650-272 Palo Alto Multiple 8/19/2013
650-273 South San Francisco Multiple N/A
650-274 San Mateo Multiple N/A
650-275 Woodside Multiple N/A
650-276 Half Moon Bay Multiple N/A
650-277 Redwood City 33 Wireless N/A
650-278 South San Francisco Multiple 12/27/2001
650-279 Mountain View Cellco Partnership N/A
650-280 Mountain View MetroPCS N/A
650-281 San Mateo Multiple N/A
650-282 Mountain View Multiple N/A
650-283 Palo Alto T-Mobile USA 12/27/2001
650-284 Half Moon Bay Multiple N/A
650-285 Palo Alto Multiple 10/21/2013
650-286 San Mateo Pacific Bell N/A
650-287 San Mateo Multiple N/A
650-288 San Mateo Multiple N/A
650-289 Palo Alto Multiple N/A
650-290 Pacifica Multiple 8/22/2001
650-291 South San Francisco Cellco Partnership N/A
650-292 San Mateo Level 3 Communications N/A
650-293 San Mateo Multiple N/A
650-294 San Mateo Multiple N/A
650-295 San Mateo Multiple N/A
650-296 South San Francisco New Cingular Wireless PCS N/A
650-297 Pescadero Multiple N/A
650-298 Redwood City Multiple N/A
650-299 Redwood City Pacific Bell N/A
650-300-XXXX --- 650-399-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-300 Palo Alto Multiple N/A
650-301 San Francisco Pacific Bell N/A
650-302 Millbrae New Cingular Wireless PCS N/A
650-303 South San Francisco New Cingular Wireless PCS N/A
650-304 Palo Alto Multiple 9/7/2016
650-305 Los Altos Multiple 9/19/2002
650-306 Redwood City Pacific Bell N/A
650-307 Millbrae Multiple 12/27/2001
650-308 Palo Alto Multiple 12/23/2010
650-309 Half Moon Bay Multiple 5/22/2017
650-312 San Mateo Pacific Bell N/A
650-313 Palo Alto Multiple 8/24/2017
650-314 Mountain View Multiple N/A
650-315 San Mateo Multiple N/A
650-316 Mountain View Multiple N/A
650-317 Mountain View USA Mobility Wireless N/A
650-318 Mountain View Multiple N/A
650-319 Palo Alto Multiple N/A
650-320 Palo Alto Pacific Bell N/A
650-321 Palo Alto Pacific Bell N/A
650-322 Palo Alto Pacific Bell N/A
650-323 Palo Alto Pacific Bell N/A
650-324 Palo Alto Pacific Bell N/A
650-325 Palo Alto Pacific Bell N/A
650-326 Palo Alto Pacific Bell N/A
650-327 Palo Alto Pacific Bell N/A
650-328 Palo Alto Pacific Bell N/A
650-329 Palo Alto Pacific Bell N/A
650-330 Palo Alto Pacific Bell N/A
650-331 Palo Alto Level 3 Communications N/A
650-332 Woodside Multiple N/A
650-333 South San Francisco Multiple N/A
650-334 Palo Alto Multiple 1/15/2016
650-335 Mountain View Multiple N/A
650-336 Mountain View Multiple N/A
650-337 Pescadero Multiple N/A
650-338 Half Moon Bay Multiple 11/3/2014
650-339 San Carlos-Belmont Multiple N/A
650-340 San Mateo Pacific Bell N/A
650-341 San Mateo Pacific Bell N/A
650-342 San Mateo Pacific Bell N/A
650-343 San Mateo Pacific Bell N/A
650-344 San Mateo Pacific Bell N/A
650-345 San Mateo Pacific Bell N/A
650-346 San Mateo T-Mobile USA N/A
650-347 San Mateo Pacific Bell N/A
650-348 San Mateo Pacific Bell N/A
650-349 San Mateo Pacific Bell N/A
650-350 San Mateo Multiple N/A
650-351 South San Francisco Multiple N/A
650-352 Palo Alto Level 3 Communications N/A
650-353 Palo Alto Multiple N/A
650-354 Palo Alto Pacific Bell N/A
650-355 Pacifica Pacific Bell N/A
650-356 San Mateo Multiple N/A
650-357 San Mateo Pacific Bell N/A
650-358 San Mateo Pacific Bell N/A
650-359 Pacifica Pacific Bell N/A
650-360 South San Francisco Onvoy N/A
650-361 Redwood City Pacific Bell N/A
650-362 Redwood City Multiple N/A
650-363 Redwood City Pacific Bell N/A
650-364 Redwood City Pacific Bell N/A
650-365 Redwood City Pacific Bell N/A
650-366 Redwood City Pacific Bell N/A
650-367 Redwood City Pacific Bell N/A
650-368 Redwood City Pacific Bell N/A
650-369 Redwood City Pacific Bell N/A
650-370 Palo Alto Multiple 10/03/2024
650-371 San Mateo USA Mobility Wireless N/A
650-372 San Mateo Multiple N/A
650-373 San Mateo Pacific Bell N/A
650-374 Palo Alto Multiple 5/13/2020
650-375 San Mateo Multiple N/A
650-376 San Mateo Multiple N/A
650-377 San Mateo Multiple N/A
650-378 San Mateo Pacific Bell N/A
650-379 South San Francisco Multiple 9/12/2017
650-380 Palo Alto Cellco Partnership 11/29/2001
650-381 Redwood City Multiple N/A
650-382 Palo Alto Multiple 10/16/2014
650-383 Los Altos Multiple N/A
650-384 Palo Alto Multiple N/A
650-385 Redwood City Multiple N/A
650-386 Mountain View Multiple N/A
650-387 Palo Alto New Cingular Wireless PCS N/A
650-388 Palo Alto Multiple N/A
650-389 San Mateo Multiple N/A
650-390 Mountain View Multiple N/A
650-391 Palo Alto Multiple N/A
650-392 South San Francisco Multiple N/A
650-393 San Mateo Multiple N/A
650-394 San Carlos-Belmont Multiple N/A
650-395 Redwood City Multiple N/A
650-396 Mountain View Multiple N/A
650-397 Los Altos Multiple N/A
650-398 San Mateo Multiple 1/8/2018
650-399 Redwood City Multiple N/A
650-400-XXXX --- 650-499-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-400 Redwood City Cellco Partnership N/A
650-401 San Mateo Pacific Bell N/A
650-402 Half Moon Bay Multiple 1/18/2018
650-403 San Mateo MCIMetro Access Transmission Services N/A
650-404 Mountain View Multiple N/A
650-405 Los Altos Multiple 5/8/2018
650-406 Mountain View American Messaging Services N/A
650-407 Palo Alto Multiple 5/9/2018
650-408 Mountain View New Cingular Wireless PCS 11/25/2024
650-409 Millbrae Multiple N/A
650-410 South San Francisco Multiple 5/11/2016
650-412 San Carlos-Belmont Multiple N/A
650-413 San Carlos-Belmont Multiple N/A
650-414 Redwood City Multiple 12/17/2018
650-416 South San Francisco Multiple N/A
650-417 Mountain View Multiple N/A
650-418 San Mateo Multiple 3/20/2019
650-419 La Honda Multiple N/A
650-420 Pacifica Multiple 8/8/2018
650-421 Redwood City Multiple N/A
650-422 Palo Alto Multiple 4/19/2013
650-423 Redwood City Utility Telecom Group N/A
650-424 Palo Alto Multiple N/A
650-425 San Mateo Multiple N/A
650-426 Mountain View Multiple N/A
650-427 Palo Alto Multiple 12/27/2006
650-428 Mountain View Pacific Bell N/A
650-429 Mountain View Multiple N/A
650-430 San Mateo T-Mobile USA 12/27/2001
650-431 San Mateo Multiple 9/11/2015
650-432 San Mateo Pacific Bell N/A
650-433 Palo Alto Multiple N/A
650-434 Woodside Multiple N/A
650-435 San Mateo Multiple 2/16/2015
650-436 San Mateo Multiple 9/8/2015
650-437 San Mateo Multiple 3/3/2014
650-438 South San Francisco New Cingular Wireless PCS 10/18/2001
650-439 Mountain View Multiple 10/4/2018
650-440 Half Moon Bay Multiple 9/19/2002
650-441 Palo Alto Multiple 9/4/2015
650-442 South San Francisco Multiple 9/26/2022
650-443 Millbrae Multiple N/A
650-444 Palo Alto T-Mobile USA N/A
650-445 San Mateo Multiple 7/22/2013
650-446 Woodside Multiple 4/23/2001
650-447 Mountain View Multiple 8/30/2016
650-448 Mountain View Multiple 8/31/2016
650-449 San Francisco Multiple N/A
650-450 Mountain View Multiple 1/28/2002
650-451 Pacifica Multiple N/A
650-452 South San Francisco Multiple N/A
650-453 San Carlos-Belmont Multiple N/A
650-454 Redwood City Multiple 1/28/2002
650-455 Millbrae New Cingular Wireless PCS N/A
650-456 Pescadero Multiple N/A
650-457 South San Francisco Multiple 10/23/2015
650-458 San Mateo Multiple N/A
650-459 Half Moon Bay Multiple 2/6/2019
650-460 Palo Alto Multiple 10/17/2014
650-461 Palo Alto Multiple N/A
650-462 Palo Alto Pacific Bell N/A
650-463 Palo Alto Multiple N/A
650-464 Redwood City Cellco Partnership N/A
650-465 Redwood City Cellco Partnership N/A
650-466 San Francisco Multiple N/A
650-467 South San Francisco Pacific Bell N/A
650-468 Palo Alto Multiple 4/23/2001
650-469 Los Altos Multiple N/A
650-470 Palo Alto Multiple N/A
650-471 Los Altos Multiple N/A
650-472 Los Altos Multiple N/A
650-473 Palo Alto Pacific Bell N/A
650-474 Redwood City Multiple N/A
650-475 Palo Alto Multiple N/A
650-476 Half Moon Bay Multiple 9/21/2016
650-477 San Mateo Multiple N/A
650-479 Half Moon Bay Multiple N/A
650-480 Redwood City Multiple N/A
650-481 Redwood City Multiple N/A
650-482 Redwood City Multiple N/A
650-483 San Mateo New Cingular Wireless PCS N/A
650-484 San Mateo Multiple 7/8/2016
650-485 Palo Alto Multiple N/A
650-486 San Carlos-Belmont Multiple N/A
650-487 La Honda Multiple N/A
650-488 San Francisco Multiple N/A
650-489 San Carlos-Belmont Multiple N/A
650-490 Millbrae Multiple 1/28/2002
650-491 South San Francisco Multiple N/A
650-492 Los Altos Multiple 1/28/2002
650-493 Palo Alto Pacific Bell N/A
650-494 Palo Alto Multiple N/A
650-495 Mountain View Multiple 8/26/2015
650-496 Palo Alto Pacific Bell N/A
650-497 Palo Alto Level 3 Communications N/A
650-498 Palo Alto Level 3 Communications N/A
650-499 Mountain View Multiple 4/25/2016
650-500-XXXX --- 650-599-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-500 San Carlos-Belmont American Messaging Services N/A
650-501 Pacifica Multiple 2/8/2019
650-502 South San Francisco Multiple 2/8/2019
650-503 Redwood City Multiple N/A
650-504 San Mateo New Cingular Wireless PCS N/A
650-505 Palo Alto Multiple 2/6/2018
650-506 San Carlos-Belmont Pacific Bell N/A
650-507 Palo Alto Multiple 10/25/2019
650-508 San Carlos-Belmont Pacific Bell N/A
650-509 Palo Alto Multiple 4/26/2016
650-512 Palo Alto Multiple 10/25/2019
650-513 San Mateo Multiple N/A
650-514 San Mateo Multiple 3/22/2019
650-515 South San Francisco Multiple N/A
650-516 Pacifica Multiple N/A
650-517 San Carlos-Belmont Multiple N/A
650-518 Los Altos Multiple 9/21/2001
650-519 Palo Alto Multiple 1/10/2022
650-520 San Mateo Multiple N/A
650-521 Palo Alto Multiple 8/4/2005
650-522 San Mateo Multiple N/A
650-523 San Mateo Onvoy N/A
650-524 San Mateo Multiple N/A
650-525 San Mateo Multiple N/A
650-526 Mountain View Multiple N/A
650-527 Mountain View Pacific Bell N/A
650-528 Mountain View Multiple N/A
650-529 Woodside Multiple N/A
650-530 Woodside Multiple N/A
650-531 Palo Alto Multiple 3/26/2020
650-532 San Mateo Multiple N/A
650-533 San Mateo Multiple N/A
650-534 South San Francisco Multiple N/A
650-535 Moss Beach Multiple N/A
650-536 San Francisco Multiple 3/17/2017
650-537 Mountain View Multiple N/A
650-538 Pescadero Multiple N/A
650-539 San Mateo Multiple N/A
650-540 South San Francisco Multiple 8/28/2020
650-541 San Mateo Multiple 1/10/2022
650-542 Redwood City Multiple N/A
650-543 Palo Alto U.S. Telepacific Corp. N/A
650-544 San Mateo Multiple N/A
650-545 Mountain View North County Communication Corporation N/A
650-546 Palo Alto Multiple 8/31/2015
650-547 Woodside Multiple 1/10/2022
650-548 San Mateo Pacific Bell N/A
650-549 Redwood City Multiple N/A
650-550 San Francisco Multiple N/A
650-551 San Carlos-Belmont Multiple N/A
650-552 Millbrae Multiple N/A
650-553 South San Francisco Pacific Bell N/A
650-554 San Mateo Multiple N/A
650-556 Redwood City Multiple N/A
650-557 Pacifica Multiple N/A
650-558 San Mateo Pacific Bell N/A
650-559 Los Altos Multiple N/A
650-560 Half Moon Bay Multiple N/A
650-561 Palo Alto Multiple N/A
650-562 Redwood City Multiple N/A
650-563 Moss Beach Multiple N/A
650-564 Mountain View Multiple N/A
650-565 Palo Alto Pacific Bell N/A
650-566 Palo Alto Pacific Bell N/A
650-567 Mountain View Multiple N/A
650-568 Redwood City Pacific Bell N/A
650-569 Redwood City Multiple N/A
650-570 San Mateo Multiple N/A
650-571 San Mateo Multiple N/A
650-572 San Mateo Pacific Bell N/A
650-573 San Mateo Pacific Bell N/A
650-574 San Mateo Multiple N/A
650-575 Palo Alto New Cingular Wireless PCS N/A
650-576 San Mateo New Cingular Wireless PCS N/A
650-577 San Mateo Multiple N/A
650-578 San Mateo Pacific Bell N/A
650-579 San Mateo Pacific Bell N/A
650-580 South San Francisco New Cingular Wireless PCS N/A
650-581 San Mateo Multiple N/A
650-582 Mountain View Multiple 1/29/2021
650-583 South San Francisco Pacific Bell N/A
650-584 Mountain View Multiple N/A
650-585 San Carlos-Belmont Multiple N/A
650-586 Palo Alto Multiple 2/1/2021
650-587 Redwood City Multiple N/A
650-588 South San Francisco Pacific Bell N/A
650-589 South San Francisco Pacific Bell N/A
650-590 San Carlos-Belmont Multiple N/A
650-591 San Carlos-Belmont Pacific Bell N/A
650-592 San Carlos-Belmont Pacific Bell N/A
650-593 San Carlos-Belmont Pacific Bell N/A
650-594 San Carlos-Belmont Multiple N/A
650-595 San Carlos-Belmont Multiple N/A
650-596 San Carlos-Belmont Pacific Bell N/A
650-597 San Carlos-Belmont Multiple 10/4/2008
650-598 San Carlos-Belmont Pacific Bell N/A
650-599 Redwood City Pacific Bell N/A
650-600-XXXX --- 650-699-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-600 Palo Alto Multiple N/A
650-602 Mountain View Multiple 10/26/2021
650-603 Mountain View Multiple N/A
650-604 Mountain View Pacific Bell N/A
650-605 Mountain View Multiple N/A
650-606 Palo Alto Multiple 01/04/2024
650-607 San Carlos-Belmont Pacific Bell N/A
650-608 San Francisco Multiple 10/11/2016
650-609 Millbrae Multiple 12/14/2021
650-610 San Carlos-Belmont Multiple N/A
650-612 San Mateo Pacific Bell N/A
650-613 Palo Alto Multiple 8/23/2021
650-614 Palo Alto Multiple N/A
650-615 South San Francisco Pacific Bell N/A
650-616 South San Francisco Pacific Bell N/A
650-617 Palo Alto Multiple N/A
650-618 Palo Alto Multiple N/A
650-619 San Mateo New Cingular Wireless PCS N/A
650-620 San Carlos-Belmont Multiple N/A
650-621 Palo Alto Multiple N/A
650-622 San Carlos-Belmont Multiple N/A
650-623 Mountain View Multiple N/A
650-624 South San Francisco Pacific Bell N/A
650-625 Mountain View Multiple N/A
650-627 San Mateo Multiple N/A
650-628 San Carlos-Belmont Multiple N/A
650-629 San Mateo Multiple 9/22/2021
650-630 Palo Alto Multiple 8/22/2001
650-631 San Carlos-Belmont Pacific Bell N/A
650-632 San Carlos-Belmont Multiple N/A
650-633 San Carlos-Belmont Pacific Bell N/A
650-634 South San Francisco Multiple N/A
650-635 South San Francisco Pacific Bell N/A
650-636 South San Francisco Multiple N/A
650-637 San Carlos-Belmont Pacific Bell N/A
650-638 San Mateo Multiple N/A
650-639 San Mateo Multiple 11/25/2024
650-640 San Carlos-Belmont Multiple 7/1/2022
650-641 Mountain View Multiple N/A
650-642 San Mateo Multiple N/A
650-643 Palo Alto Multiple 11/15/2021
650-644 Palo Alto Multiple N/A
650-645 San Mateo Multiple N/A
650-646 Palo Alto Multiple N/A
650-647 Redwood City Multiple 12/16/2021
650-648 Millbrae Multiple N/A
650-649 Redwood City Multiple N/A
650-650 San Mateo Onvoy 9/27/2022
650-651 Millbrae Multiple N/A
650-652 Millbrae Pacific Bell N/A
650-653 San Mateo Multiple N/A
650-654 San Carlos-Belmont Multiple N/A
650-655 San Mateo Pacific Bell N/A
650-656 Palo Alto Multiple 4/7/2014
650-658 Woodside Onvoy 7/11/2022
650-659 San Mateo Multiple 09/16/2025
650-660 Half Moon Bay T-Mobile USA 3/13/2015
650-661 Pacifica Multiple 05/08/2023
650-662 La Honda Multiple 3/22/2001
650-663 Pacifica Multiple 12/28/2021
650-664 Mountain View Multiple 6/16/2022
650-665 Palo Alto Multiple 7/21/2014
650-666 Palo Alto Multiple N/A
650-667 San Mateo Multiple 9/3/2014
650-668 Los Altos Multiple 7/10/2020
650-669 Mountain View Multiple 9/21/2001
650-670 Redwood City Multiple N/A
650-671 South San Francisco Multiple 1/7/2022
650-672 Millbrae Multiple 9/8/2022
650-673 La Honda Multiple 12/14/2009
650-674 San Carlos-Belmont Multiple 10/24/2022
650-675 Pacifica Multiple 10/26/2021
650-676 South San Francisco Multiple 3/7/2005
650-677 South San Francisco Multiple 5/20/2019
650-678 San Mateo Cellco Partnership N/A
650-679 Redwood City Multiple N/A
650-680 Los Altos Multiple 7/15/2016
650-681 Palo Alto Multiple 5/17/2001
650-682 Palo Alto Utility Telecom Group N/A
650-683 Woodside Multiple N/A
650-684 Millbrae Multiple N/A
650-685 San Mateo Pacific Bell N/A
650-686 Millbrae Multiple N/A
650-687 Palo Alto Multiple N/A
650-688 Palo Alto Multiple N/A
650-689 Millbrae Multiple N/A
650-690 Palo Alto Multiple N/A
650-691 Mountain View Multiple N/A
650-692 Millbrae Pacific Bell N/A
650-693 Mountain View Teleport Communications America N/A
650-694 Mountain View Multiple N/A
650-695 Mountain View Multiple 1/20/2015
650-696 San Mateo Multiple N/A
650-697 Millbrae Pacific Bell N/A
650-698 Palo Alto Multiple 2/28/2022
650-699 San Mateo Multiple 3/19/2019
650-701-XXXX --- 650-799-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-701 Redwood City Multiple N/A
650-702 Palo Alto Multiple 8/30/2022
650-703 San Mateo New Cingular Wireless PCS N/A
650-704 Palo Alto New Cingular Wireless PCS N/A
650-705 Mountain View Multiple 9/20/2022
650-706 San Mateo Multiple 04/07/2023
650-708 South San Francisco Onvoy 9/8/2022
650-709 Palo Alto Multiple 5/8/2018
650-710 San Francisco [Juniper] Multiple 04/07/2023
650-712 Half Moon Bay Pacific Bell N/A
650-713 Half Moon Bay Multiple N/A
650-714 Palo Alto New Cingular Wireless PCS N/A
650-715 San Mateo Multiple 9/2/2022
650-716 Redwood City Multiple N/A
650-718 Moss Beach Multiple N/A
650-719 Moss Beach Multiple N/A
650-720 Half Moon Bay Multiple N/A
650-721 Palo Alto Level 3 Communications N/A
650-722 Redwood City Multiple N/A
650-723 Palo Alto Level 3 Communications N/A
650-724 Palo Alto Level 3 Communications N/A
650-725 Palo Alto Level 3 Communications N/A
650-726 Half Moon Bay Pacific Bell N/A
650-727 San Mateo Multiple 6/3/2014
650-728 Moss Beach Multiple N/A
650-729 Half Moon Bay Multiple N/A
650-730 San Carlos-Belmont Multiple N/A
650-731 San Francisco Multiple N/A
650-732 Millbrae Multiple N/A
650-733 Pacifica Multiple N/A
650-734 Redwood City Onvoy 9/8/2022
650-735 Pacifica Multiple N/A
650-736 Palo Alto Level 3 Communications N/A
650-737 South San Francisco Multiple N/A
650-738 Pacifica Pacific Bell N/A
650-739 Palo Alto Multiple N/A
650-740 San Mateo New Cingular Wireless PCS N/A
650-741 South San Francisco Multiple N/A
650-742 South San Francisco Pacific Bell N/A
650-743 Redwood City New Cingular Wireless PCS N/A
650-744 Mountain View Multiple 8/25/2020
650-745 South San Francisco Multiple N/A
650-746 San Francisco Multiple N/A
650-747 La Honda Multiple N/A
650-748 La Honda Multiple N/A
650-749 La Honda Multiple N/A
650-750 Half Moon Bay Multiple 2/11/2016
650-751 Woodside Multiple 05/30/2023
650-752 Palo Alto Multiple N/A
650-753 San Mateo Multiple 9/24/2014
650-754 South San Francisco Multiple N/A
650-755 San Francisco Pacific Bell N/A
650-756 San Francisco Pacific Bell N/A
650-757 San Francisco Pacific Bell N/A
650-758 San Francisco Multiple N/A
650-759 San Mateo Cellco Partnership N/A
650-760 South San Francisco Multiple 06/02/2023
650-761 San Francisco Multiple N/A
650-762 San Mateo Multiple N/A
650-763 South San Francisco Multiple N/A
650-764 Mountain View Onvoy 11/20/2025
650-766 San Mateo New Cingular Wireless PCS N/A
650-768 Los Altos Paetec Itel N/A
650-769 San Carlos-Belmont Multiple N/A
650-770 Los Altos Multiple 1/29/2016
650-771 Redwood City Multiple 9/21/2001
650-772 Mountain View Multiple 9/30/2014
650-773 San Mateo Cellco Partnership 11/29/2001
650-774 Los Altos Multiple 06/26/2023
650-776 Palo Alto MetroPCS N/A
650-777 Millbrae Multiple N/A
650-779 Redwood City Multiple N/A
650-780 Redwood City Multiple N/A
650-781 San Mateo Multiple N/A
650-782 Los Altos Multiple 2/18/2022
650-784 South San Francisco Multiple N/A
650-785 Palo Alto Multiple 10/13/2014
650-786 Redwood City Pacific Bell N/A
650-787 San Mateo New Cingular Wireless PCS N/A
650-788 Palo Alto Multiple 3/19/2019
650-789 Mountain View Multiple 8/5/2021
650-793 Mountain View Cellco Partnership N/A
650-794 South San Francisco Pacific Bell N/A
650-795 La Honda Multiple N/A
650-796 Palo Alto New Cingular Wireless PCS N/A
650-797 South San Francisco Multiple 10/27/2014
650-798 Palo Alto Multiple N/A
650-799 Palo Alto New Cingular Wireless PCS N/A
650-800-XXXX --- 650-899-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-800 Palo Alto Multiple N/A
650-801 San Carlos-Belmont Multiple N/A
650-802 San Carlos-Belmont Pacific Bell N/A
650-804 Palo Alto Multiple 8/21/2002
650-808 South San Francisco Multiple N/A
650-810 Mountain View Multiple N/A
650-812 Palo Alto Multiple N/A
650-813 Palo Alto Multiple N/A
650-814 Palo Alto MetroPCS N/A
650-815 Palo Alto Multiple N/A
650-817 Redwood City Multiple N/A
650-820 Redwood City Multiple 02/21/2023
650-821 South San Francisco Teleport Communications America N/A
650-822 South San Francisco Multiple 3/25/2015
650-823 Los Altos New Cingular Wireless PCS N/A
650-825 South San Francisco Multiple N/A
650-826 South San Francisco Multiple N/A
650-827 South San Francisco Multiple N/A
650-829 South San Francisco Pacific Bell N/A
650-830 San Carlos-Belmont Multiple 1/25/2001
650-832 San Carlos-Belmont Multiple N/A
650-833 Palo Alto Multiple N/A
650-834 South San Francisco Multiple 9/21/2001
650-835 South San Francisco Multiple 1/25/2001
650-836 Pescadero Level 3 Communications 6/10/2016
650-837 South San Francisco Multiple N/A
650-838 Palo Alto Pacific Bell N/A
650-839 Redwood City Multiple N/A
650-842 Palo Alto Multiple N/A
650-843 Palo Alto Multiple N/A
650-844 San Mateo Multiple 8/25/2020
650-845 Palo Alto Multiple N/A
650-846 Palo Alto Pacific Bell N/A
650-847 Palo Alto Multiple N/A
650-849 Palo Alto Multiple N/A
650-850 Woodside Multiple N/A
650-851 Woodside Pacific Bell N/A
650-852 Palo Alto Multiple N/A
650-853 Palo Alto Multiple N/A
650-854 Palo Alto Pacific Bell N/A
650-855 Palo Alto Multiple N/A
650-856 Palo Alto Pacific Bell N/A
650-857 Palo Alto Pacific Bell N/A
650-858 Palo Alto Pacific Bell N/A
650-859 Palo Alto Pacific Bell N/A
650-860 Pescadero Multiple N/A
650-861 Mountain View Multiple 9/19/2002
650-862 Palo Alto New Cingular Wireless PCS N/A
650-863 San Mateo New Cingular Wireless PCS N/A
650-864 Mountain View Multiple N/A
650-865 San Mateo Multiple 10/28/2016
650-866 South San Francisco Multiple N/A
650-867 San Mateo New Cingular Wireless PCS N/A
650-868 Redwood City New Cingular Wireless PCS N/A
650-869 South San Francisco Multiple N/A
650-870 South San Francisco Multiple N/A
650-871 South San Francisco Pacific Bell N/A
650-872 South San Francisco Multiple N/A
650-873 South San Francisco Pacific Bell N/A
650-874 South San Francisco Pacific Bell N/A
650-875 South San Francisco Pacific Bell N/A
650-876 South San Francisco Pacific Bell N/A
650-877 South San Francisco Multiple N/A
650-878 South San Francisco Multiple N/A
650-879 Pescadero Multiple N/A
650-880 Mountain View Multiple 3/22/2018
650-881 Pescadero Multiple N/A
650-882 Pescadero Multiple N/A
650-885 Palo Alto Multiple 6/27/2017
650-887 Los Altos Multiple N/A
650-888 San Mateo New Cingular Wireless PCS N/A
650-889 Half Moon Bay Multiple 3/1/2001
650-892 South San Francisco New Cingular Wireless PCS N/A
650-897 Moss Beach Multiple N/A
650-898 Pacifica Multiple N/A
650-899 La Honda Multiple N/A
650-900-XXXX --- 650-999-XXXX
NPANXX Area served[1] Provider[2] Date[3]
650-900 Los Altos Multiple N/A
650-903 Mountain View Multiple N/A
650-906 Palo Alto MetroPCS N/A
650-910 South San Francisco Multiple 4/23/2021
650-912 Half Moon Bay Multiple 10/21/2022
650-917 Los Altos Pacific Bell N/A
650-918 San Mateo Multiple N/A
650-919 Mountain View Multiple N/A
650-921 San Mateo MetroPCS 9/21/2001
650-922 South San Francisco Multiple 3/1/2001
650-924 Palo Alto Multiple N/A
650-926 Palo Alto Pacific Bell N/A
650-930 Mountain View Multiple N/A
650-931 San Mateo Multiple N/A
650-932 Mountain View Pacific Bell N/A
650-933 Mountain View Multiple N/A
650-934 Mountain View Multiple N/A
650-935 Los Altos Multiple N/A
650-937 Mountain View Multiple N/A
650-938 Mountain View Multiple N/A
650-940 Mountain View Multiple N/A
650-941 Los Altos Pacific Bell N/A
650-942 Millbrae Multiple 8/15/2003
650-943 Mountain View Multiple N/A
650-944 Mountain View Multiple N/A
650-946 Los Altos Multiple N/A
650-947 Los Altos Multiple N/A
650-948 Los Altos Pacific Bell N/A
650-949 Los Altos Pacific Bell N/A
650-952 South San Francisco Pacific Bell N/A
650-954 San Mateo Multiple N/A
650-955 Half Moon Bay Multiple 1/13/2020
650-960 Mountain View Multiple N/A
650-961 Mountain View Pacific Bell N/A
650-962 Mountain View Multiple N/A
650-963 Mountain View Multiple N/A
650-964 Mountain View Pacific Bell N/A
650-965 Mountain View Multiple N/A
650-966 Mountain View Multiple N/A
650-967 Mountain View Pacific Bell N/A
650-968 Mountain View Pacific Bell N/A
650-969 Mountain View Pacific Bell N/A
650-977 Pacifica Multiple 3/20/2019
650-980 Redwood City Multiple N/A
650-984 Pacifica Multiple 6/25/2001
650-985 San Francisco Multiple N/A
650-988 Mountain View Multiple N/A
650-989 South San Francisco Multiple N/A
650-991 San Francisco Pacific Bell N/A
650-992 San Francisco Pacific Bell N/A
650-993 San Francisco Multiple N/A
650-994 San Francisco Pacific Bell N/A
650-995 Redwood City Multiple 1/25/2001
650-996 Mountain View New Cingular Wireless PCS N/A
650-997 San Francisco Pacific Bell N/A
650-999 Palo Alto Multiple N/A
  1. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  2. A single provider refers to the original company controlling a whole NPA-NXX block (10,000 phone numbers). With Number Pooling, NPA-NXX blocks can be split into ten 1,000 phone number blocks and handed over to other service providers (available in the USA and Puerto Rico).
  3. Assignment date. N/A: unavailable date or central office code assigned before 2001.
  4. NXX prefixes last updated: December 15, 2025

Cities in area code 650

City1 County Time zone1
Atherton San Mateo P
Belmont San Mateo P
Brisbane San Mateo P
Burlingame San Mateo P
Daly City San Mateo P
El Granada San Mateo P
Half Moon Bay San Mateo P
La Honda San Mateo P
Loma Mar San Mateo P
Los Altos Santa Clara P
Menlo Park San Mateo P
Millbrae San Mateo P
Montara San Mateo P
Moss Beach San Mateo P
Mountain View Santa Clara P
Pacifica San Mateo P
Palo Alto Santa Clara P
Pescadero San Mateo P
Portola Valley San Mateo P
Redwood City San Mateo P
San Bruno San Mateo P
San Carlos San Mateo P
San Gregorio San Mateo P
San Mateo San Mateo P
South San Francisco San Mateo P
Stanford Santa Clara P
  1. Listed above are most places served by USA area code 650. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. P stands for Pacific Time (currently ).
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