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510 Area Code

Area code 510 is in California (CA), USA and some of its main locations are Oakland, Fremont, Hayward, etc. (jump to city list below).

Area code 510 has been in service since September 02, 1991 and is the older Numbering Plan Area in overlay complex 510/341 (overlaying area codes cover the same geographic area).

04:55:41 AM is the current time in area code 510 (Pacific Time Zone).

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510 phone number location

NPANXX Area served1 Date2
510-200 Hayward 11/12/2008
510-201 Oakland [Main/ Piedmont] 2/14/2009
510-202 Oakland [Main/ Piedmont] N/A
510-203 Fremont/ Newark 9/22/2015
510-204 Oakland [Berkeley] N/A
510-205 Oakland [Alameda] N/A
510-206 Oakland [Main/ Piedmont] N/A
510-207 Oakland [Main/ Piedmont] N/A
510-208 Oakland [Main/ Piedmont] N/A
510-209 Hayward N/A
510-210 Richmond 1/4/2013
510-212 Fremont/ Newark N/A
510-213 Oakland [Fruitvale] 9/19/2002
510-214 Oakland [Alameda] N/A
510-215 Richmond N/A
510-216 Oakland [Fruitvale] 9/27/2019
510-217 Oakland [Alameda] N/A
510-218 Fremont/ Newark N/A
510-219 Oakland [Main/ Piedmont] N/A
510-220 Oakland [Main/ Piedmont] N/A
510-221 Richmond 2/8/2007
510-222 El Sobrante/ Pinole N/A
510-223 El Sobrante/ Pinole N/A
510-224 Hercules/ Rodeo 10/18/2001
510-225 Oakland [Berkeley] N/A
510-226 Fremont/ Newark N/A
510-227 Oakland [Alameda] N/A
510-228 Oakland [Fruitvale] N/A
510-229 Oakland [Berkeley] N/A
510-230 Richmond 2/15/2007
510-231 Richmond N/A
510-232 Richmond N/A
510-233 Richmond N/A
510-234 Richmond N/A
510-235 Richmond N/A
510-236 Richmond N/A
510-237 Richmond N/A
510-238 Oakland [Main/ Piedmont] N/A
510-239 Oakland [Alameda] N/A
510-240 Fremont/ Newark N/A
510-241 El Sobrante/ Pinole 9/22/2015
510-242 Richmond N/A
510-243 El Sobrante/ Pinole N/A
510-244 Hayward 7/25/2011
510-245 Hercules/ Rodeo N/A
510-246 Hayward 8/9/2011
510-247 Hayward N/A
510-248 Fremont/ Newark N/A
510-249 Fremont/ Newark N/A
510-250 Oakland [Main/ Piedmont] N/A
510-251 Oakland [Main/ Piedmont] N/A
510-252 Fremont/ Newark N/A
510-253 Richmond N/A
510-254 Oakland [Alameda] 9/15/2011
510-255 Richmond 4/28/2011
510-256 Crockett N/A
510-257 Fremont/ Newark N/A
510-258 Hayward N/A
510-259 Hayward N/A
510-260 Richmond N/A
510-261 Oakland [Fruitvale] N/A
510-262 El Sobrante/ Pinole N/A
510-263 Oakland [Alameda] N/A
510-264 Hayward N/A
510-265 Hayward N/A
510-266 Hayward N/A
510-267 Oakland [Main/ Piedmont] N/A
510-268 Oakland [Main/ Piedmont] N/A
510-269 Oakland [Fruitvale] N/A
510-270 Fremont/ Newark N/A
510-271 Oakland [Main/ Piedmont] N/A
510-272 Oakland [Main/ Piedmont] N/A
510-273 Oakland [Main/ Piedmont] N/A
510-274 Hayward N/A
510-275 El Sobrante/ Pinole N/A
510-276 Hayward N/A
510-277 Oakland [Berkeley] N/A
510-278 Hayward N/A
510-279 Fremont/ Newark N/A
510-280 Oakland [Berkeley] N/A
510-281 Oakland [Main/ Piedmont] N/A
510-282 Oakland [Main/ Piedmont] 12/26/2001
510-283 El Sobrante/ Pinole N/A
510-284 Fremont/ Newark N/A
510-285 Oakland [Main/ Piedmont] N/A
510-286 Oakland [Main/ Piedmont] N/A
510-287 Oakland [Main/ Piedmont] N/A
510-288 Oakland [Main/ Piedmont] N/A
510-289 Oakland [Main/ Piedmont] N/A
510-290 Oakland [Main/ Piedmont] N/A
510-291 Oakland [Main/ Piedmont] N/A
510-292 Oakland [Berkeley] N/A
510-293 Hayward N/A
510-294 Hayward 11/4/2011
510-295 Oakland [Berkeley] N/A
510-296 Hercules/ Rodeo N/A
510-297 Oakland [Trinidad] N/A
510-298 Fremont/ Newark 12/7/2012
510-299 Fremont/ Newark N/A

NPANXX Area served1 Date2
510-300 Hayward N/A
510-301 Oakland [Main/ Piedmont] N/A
510-302 Oakland [Main/ Piedmont] N/A
510-303 Hayward N/A
510-304 Fremont/ Newark N/A
510-305 Hayward N/A
510-306 Oakland [Alameda] N/A
510-307 Richmond N/A
510-308 Oakland [Main/ Piedmont] N/A
510-309 El Sobrante/ Pinole 10/24/2014
510-310 Oakland [Main/ Piedmont] N/A
510-312 Hayward N/A
510-313 Hercules/ Rodeo N/A
510-314 Hayward 7/2/2007
510-315 Hayward N/A
510-316 Oakland [Main/ Piedmont] N/A
510-317 Hayward N/A
510-318 Oakland [Main/ Piedmont] N/A
510-319 Fremont/ Newark 12/1/2015
510-320 Fremont/ Newark 9/12/2013
510-321 Oakland [Main/ Piedmont] N/A
510-322 Hercules/ Rodeo N/A
510-323 Richmond N/A
510-324 Fremont/ Newark N/A
510-325 Oakland [Main/ Piedmont] N/A
510-326 Oakland [Main/ Piedmont] N/A
510-327 Hercules/ Rodeo N/A
510-328 Oakland [Fruitvale] 1/31/2013
510-329 Hayward N/A
510-330 Hayward 12/28/2015
510-331 Hayward N/A
510-332 Oakland [Main/ Piedmont] N/A
510-333 Oakland [Main/ Piedmont] N/A
510-334 Richmond N/A
510-335 Fremont/ Newark N/A
510-336 Oakland [Fruitvale] N/A
510-337 Oakland [Alameda] N/A
510-338 Oakland [Main/ Piedmont] N/A
510-339 Oakland [Main/ Piedmont] N/A
510-340 Hayward 5/4/2012
510-342 Hayward N/A
510-343 Oakland [Trinidad] N/A
510-344 Fremont/ Newark N/A
510-345 Oakland [Berkeley] 1/15/2016
510-346 Oakland [Trinidad] N/A
510-347 Oakland [Trinidad] N/A
510-348 Oakland [Main/ Piedmont] N/A
510-349 Richmond N/A
510-350 Oakland [Main/ Piedmont] N/A
510-351 Oakland [Trinidad] N/A
510-352 Oakland [Trinidad] N/A
510-353 Fremont/ Newark N/A
510-354 Fremont/ Newark N/A
510-355 Oakland [Alameda] N/A
510-356 Oakland [Berkeley] 11/28/2007
510-357 Oakland [Trinidad] N/A
510-358 Fremont/ Newark 7/8/2011
510-359 Hayward 8/17/2012
510-360 Fremont/ Newark N/A
510-361 Hayward 10/27/2014
510-362 Hayward 5/16/2013
510-363 Hayward 1/14/2008
510-364 Fremont/ Newark 11/28/2001
510-365 Oakland [Berkeley] 9/26/2013
510-366 Fremont/ Newark N/A
510-367 Richmond N/A
510-368 Oakland [Main/ Piedmont] N/A
510-369 Richmond 2/4/2016
510-370 Hayward 4/13/2012
510-371 Fremont/ Newark 8/7/2008
510-372 Hayward N/A
510-373 Oakland [Alameda] N/A
510-374 Richmond N/A
510-375 Richmond 12/26/2001
510-376 Fremont/ Newark N/A
510-377 Fremont/ Newark N/A
510-378 Fremont/ Newark N/A
510-379 Oakland [Main/ Piedmont] N/A
510-380 Oakland [Main/ Piedmont] N/A
510-381 Oakland [Main/ Piedmont] N/A
510-382 Oakland [Trinidad] N/A
510-383 Oakland [Trinidad] N/A
510-384 Oakland [Main/ Piedmont] N/A
510-385 Oakland [Main/ Piedmont] N/A
510-386 Fremont/ Newark N/A
510-387 Oakland [Main/ Piedmont] N/A
510-388 Oakland [Main/ Piedmont] N/A
510-389 Oakland [Main/ Piedmont] N/A
510-390 Oakland [Main/ Piedmont] N/A
510-391 Oakland [Main/ Piedmont] N/A
510-392 Oakland [Main/ Piedmont] N/A
510-393 Oakland [Main/ Piedmont] N/A
510-394 Oakland [Trinidad] N/A
510-395 Oakland [Fruitvale] N/A
510-396 Fremont/ Newark 12/26/2001
510-397 Hayward 8/28/2008
510-398 Hayward 8/17/2012
510-399 Fremont/ Newark 5/6/2016

NPANXX Area served1 Date2
510-400 Fremont/ Newark N/A
510-401 Fremont/ Newark N/A
510-402 Fremont/ Newark N/A
510-403 Fremont/ Newark N/A
510-404 Fremont/ Newark N/A
510-405 Fremont/ Newark N/A
510-406 Oakland [Main/ Piedmont] N/A
510-407 Oakland [Main/ Piedmont] N/A
510-408 El Sobrante/ Pinole 11/25/2009
510-409 Oakland [Main/ Piedmont] N/A
510-410 Oakland [Main/ Piedmont] N/A
510-412 Richmond N/A
510-413 Fremont/ Newark N/A
510-414 Oakland [Main/ Piedmont] N/A
510-415 Hayward 9/19/2001
510-416 Oakland [Berkeley] N/A
510-417 El Sobrante/ Pinole 9/19/2002
510-418 Oakland [Main/ Piedmont] N/A
510-419 Oakland [Main/ Piedmont] N/A
510-420 Oakland [Main/ Piedmont] N/A
510-421 Oakland [Main/ Piedmont] N/A
510-422 Oakland [Fruitvale] 9/25/2015
510-423 Oakland [Berkeley] 11/7/2008
510-424 Oakland [Fruitvale] 7/29/2016
510-425 Oakland [Trinidad] N/A
510-426 Richmond 3/27/2014
510-427 Hayward N/A
510-428 Oakland [Main/ Piedmont] N/A
510-429 Fremont/ Newark N/A
510-430 Oakland [Trinidad] N/A
510-431 Fremont/ Newark N/A
510-432 Hayward 11/28/2001
510-433 Oakland [Main/ Piedmont] N/A
510-434 Oakland [Fruitvale] N/A
510-435 Oakland [Main/ Piedmont] N/A
510-436 Oakland [Fruitvale] N/A
510-437 Oakland [Fruitvale] N/A
510-438 Fremont/ Newark N/A
510-439 Richmond N/A
510-440 Fremont/ Newark N/A
510-441 Fremont/ Newark N/A
510-442 Oakland [Main/ Piedmont] N/A
510-443 Fremont/ Newark 2/14/2009
510-444 Oakland [Main/ Piedmont] N/A
510-445 Fremont/ Newark N/A
510-446 Oakland [Main/ Piedmont] N/A
510-447 Richmond 12/9/2011
510-448 Oakland [Main/ Piedmont] N/A
510-449 Fremont/ Newark N/A
510-450 Oakland [Main/ Piedmont] N/A
510-451 Oakland [Main/ Piedmont] N/A
510-452 Oakland [Main/ Piedmont] N/A
510-453 Fremont/ Newark N/A
510-454 Oakland [Trinidad] 11/30/2012
510-455 Crockett 4/20/2001
510-456 Fremont/ Newark N/A
510-457 Oakland [Main/ Piedmont] N/A
510-458 Fremont/ Newark 10/14/2014
510-459 Oakland [Main/ Piedmont] N/A
510-460 Hayward 2/9/2010
510-461 Hayward 8/21/2002
510-462 Fremont/ Newark 5/4/2016
510-463 Oakland [Main/ Piedmont] N/A
510-464 Oakland [Main/ Piedmont] N/A
510-465 Oakland [Main/ Piedmont] N/A
510-466 Oakland [Main/ Piedmont] N/A
510-467 Oakland [Fruitvale] N/A
510-468 Fremont/ Newark N/A
510-469 Oakland [Main/ Piedmont] N/A
510-470 Hayward 2/22/2010
510-471 Fremont/ Newark N/A
510-472 Oakland [Main/ Piedmont] 8/22/2001
510-473 Oakland [Alameda] N/A
510-474 Fremont/ Newark N/A
510-475 Fremont/ Newark N/A
510-476 Fremont/ Newark N/A
510-477 Fremont/ Newark N/A
510-478 Richmond N/A
510-479 Oakland [Fruitvale] N/A
510-480 El Sobrante/ Pinole 9/26/2013
510-481 Hayward N/A
510-482 Oakland [Fruitvale] N/A
510-483 Oakland [Trinidad] N/A
510-484 Oakland [Main/ Piedmont] N/A
510-485 Oakland [Fruitvale] N/A
510-486 Oakland [Berkeley] N/A
510-487 Fremont/ Newark N/A
510-488 Oakland [Fruitvale] N/A
510-489 Fremont/ Newark N/A
510-490 Fremont/ Newark N/A
510-491 Fremont/ Newark N/A
510-492 Fremont/ Newark N/A
510-493 Fremont/ Newark N/A
510-494 Fremont/ Newark N/A
510-495 Oakland [Berkeley] N/A
510-496 Oakland [Main/ Piedmont] N/A
510-497 Fremont/ Newark N/A
510-498 Fremont/ Newark N/A
510-499 Oakland [Main/ Piedmont] N/A

NPANXX Area served1 Date2
510-500 Oakland [Fruitvale] N/A
510-501 Oakland [Main/ Piedmont] N/A
510-502 Oakland [Main/ Piedmont] N/A
510-503 Oakland [Main/ Piedmont] N/A
510-504 Oakland [Main/ Piedmont] N/A
510-505 Fremont/ Newark N/A
510-506 Oakland [Main/ Piedmont] N/A
510-507 Oakland [Main/ Piedmont] N/A
510-508 Oakland [Main/ Piedmont] N/A
510-509 Fremont/ Newark 7/6/2010
510-512 Hayward N/A
510-513 Fremont/ Newark 8/30/2016
510-514 Hayward 9/19/2016
510-515 Oakland [Main/ Piedmont] N/A
510-516 Fremont/ Newark 9/3/2010
510-517 Oakland [Main/ Piedmont] N/A
510-518 Fremont/ Newark 7/24/2017
510-519 Oakland [Alameda] 8/7/2017
510-520 Oakland [Main/ Piedmont] N/A
510-521 Oakland [Alameda] N/A
510-522 Oakland [Alameda] N/A
510-523 Oakland [Alameda] N/A
510-524 Oakland [Berkeley] N/A
510-525 Oakland [Berkeley] N/A
510-526 Oakland [Berkeley] N/A
510-527 Oakland [Berkeley] N/A
510-528 Oakland [Berkeley] N/A
510-529 Oakland [Berkeley] N/A
510-530 Oakland [Fruitvale] N/A
510-531 Oakland [Fruitvale] N/A
510-532 Oakland [Fruitvale] N/A
510-533 Oakland [Fruitvale] N/A
510-534 Oakland [Fruitvale] N/A
510-535 Oakland [Fruitvale] N/A
510-536 Oakland [Fruitvale] N/A
510-537 Hayward N/A
510-538 Hayward N/A
510-539 Oakland [Main/ Piedmont] N/A
510-540 Oakland [Berkeley] N/A
510-541 Oakland [Main/ Piedmont] N/A
510-542 Oakland [Berkeley] N/A
510-543 Oakland [Main/ Piedmont] N/A
510-544 Oakland [Trinidad] N/A
510-545 Oakland [Alameda] N/A
510-546 Oakland [Berkeley] N/A
510-547 Oakland [Main/ Piedmont] N/A
510-548 Oakland [Berkeley] N/A
510-549 Oakland [Berkeley] N/A
510-550 Oakland [Main/ Piedmont] N/A
510-551 Oakland [Main/ Piedmont] N/A
510-552 Fremont/ Newark 6/25/2001
510-553 Oakland [Trinidad] N/A
510-554 Hayward N/A
510-556 Fremont/ Newark 5/5/2014
510-557 Fremont/ Newark 5/17/2001
510-558 Oakland [Berkeley] N/A
510-559 Oakland [Berkeley] N/A
510-560 Oakland [Trinidad] 7/14/2014
510-561 Oakland [Fruitvale] 4/14/2017
510-562 Oakland [Trinidad] N/A
510-563 Oakland [Trinidad] N/A
510-564 Oakland [Trinidad] N/A
510-565 Fremont/ Newark N/A
510-566 Hayward N/A
510-567 Oakland [Trinidad] N/A
510-568 Oakland [Trinidad] N/A
510-569 Oakland [Trinidad] N/A
510-570 Oakland [Berkeley] 9/26/2016
510-571 Hayward 8/16/2017
510-572 Fremont/ Newark N/A
510-573 Fremont/ Newark N/A
510-574 Fremont/ Newark N/A
510-575 Oakland [Main/ Piedmont] N/A
510-576 Hayward N/A
510-577 Oakland [Trinidad] N/A
510-578 Fremont/ Newark N/A
510-579 Fremont/ Newark N/A
510-580 Fremont/ Newark N/A
510-581 Hayward N/A
510-582 Hayward N/A
510-583 Hayward N/A
510-584 Hayward N/A
510-585 Fremont/ Newark N/A
510-586 Hayward N/A
510-587 Oakland [Main/ Piedmont] N/A
510-588 Oakland [Main/ Piedmont] N/A
510-589 Hayward N/A
510-590 Oakland [Main/ Piedmont] N/A
510-591 Hayward N/A
510-592 Hercules/ Rodeo N/A
510-593 Oakland [Main/ Piedmont] N/A
510-594 Oakland [Main/ Piedmont] N/A
510-595 Oakland [Main/ Piedmont] N/A
510-596 Oakland [Main/ Piedmont] N/A
510-597 Oakland [Main/ Piedmont] N/A
510-598 Fremont/ Newark 1/18/2013
510-599 Oakland [Main/ Piedmont] N/A

NPANXX Area served1 Date2
510-600 Hayward N/A
510-601 Oakland [Main/ Piedmont] N/A
510-602 Fremont/ Newark 4/4/2017
510-603 Oakland [Fruitvale] 2/20/2018
510-604 Oakland [Main/ Piedmont] N/A
510-605 Hayward 1/17/2018
510-606 Hayward 8/10/2010
510-607 Oakland [Main/ Piedmont] 3/16/2018
510-608 Fremont/ Newark N/A
510-609 Richmond 4/11/2018
510-610 Oakland [Main/ Piedmont] N/A
510-612 Oakland [Main/ Piedmont] N/A
510-613 Oakland [Trinidad] N/A
510-614 Oakland [Trinidad] N/A
510-615 Oakland [Trinidad] N/A
510-616 Oakland [Berkeley] 12/18/2017
510-617 Hercules/ Rodeo 8/31/2018
510-618 Oakland [Trinidad] N/A
510-619 Richmond N/A
510-620 Richmond N/A
510-621 Richmond N/A
510-622 Oakland [Main/ Piedmont] N/A
510-623 Fremont/ Newark N/A
510-624 Fremont/ Newark N/A
510-625 Oakland [Main/ Piedmont] N/A
510-626 Oakland [Trinidad] 7/29/2016
510-627 Oakland [Main/ Piedmont] N/A
510-628 Oakland [Main/ Piedmont] N/A
510-629 Oakland [Alameda] N/A
510-630 El Sobrante/ Pinole 10/16/2019
510-631 Oakland [Berkeley] 10/2/2015
510-632 Oakland [Trinidad] N/A
510-633 Oakland [Trinidad] N/A
510-634 Hayward 9/24/2014
510-635 Oakland [Trinidad] N/A
510-636 Oakland [Trinidad] N/A
510-637 Oakland [Main/ Piedmont] N/A
510-638 Oakland [Trinidad] N/A
510-639 Oakland [Trinidad] N/A
510-640 El Sobrante/ Pinole 5/1/2015
510-641 El Sobrante/ Pinole 12/10/2020
510-642 Oakland [Berkeley] N/A
510-643 Oakland [Berkeley] N/A
510-644 Oakland [Berkeley] N/A
510-645 Oakland [Main/ Piedmont] N/A
510-646 Oakland [Berkeley] 3/7/2013
510-647 Oakland [Berkeley] N/A
510-648 Fremont/ Newark N/A
510-649 Oakland [Berkeley] N/A
510-650 El Sobrante/ Pinole 12/21/2017
510-651 Fremont/ Newark N/A
510-652 Oakland [Main/ Piedmont] N/A
510-653 Oakland [Main/ Piedmont] N/A
510-654 Oakland [Main/ Piedmont] N/A
510-655 Oakland [Main/ Piedmont] N/A
510-656 Fremont/ Newark N/A
510-657 Fremont/ Newark N/A
510-658 Oakland [Main/ Piedmont] N/A
510-659 Fremont/ Newark N/A
510-660 Richmond 8/11/2015
510-661 Fremont/ Newark N/A
510-662 El Sobrante/ Pinole N/A
510-663 Oakland [Main/ Piedmont] N/A
510-664 Oakland [Berkeley] N/A
510-665 Oakland [Berkeley] N/A
510-666 Oakland [Berkeley] N/A
510-667 Oakland [Trinidad] N/A
510-668 Fremont/ Newark N/A
510-669 El Sobrante/ Pinole N/A
510-670 Hayward N/A
510-671 Oakland [Alameda] 5/14/2013
510-672 Richmond 9/19/2002
510-673 Fremont/ Newark N/A
510-674 Hayward 11/3/2014
510-675 Fremont/ Newark N/A
510-676 Fremont/ Newark 6/14/2002
510-677 Hayward 3/22/2001
510-678 Oakland [Trinidad] N/A
510-679 Oakland [Berkeley] 4/13/2015
510-680 Richmond 6/3/2013
510-681 Oakland [Main/ Piedmont] N/A
510-682 Oakland [Alameda] N/A
510-683 Fremont/ Newark N/A
510-684 Oakland [Berkeley] N/A
510-685 Richmond N/A
510-686 Oakland [Trinidad] N/A
510-687 Fremont/ Newark N/A
510-688 Hayward N/A
510-689 Oakland [Fruitvale] 4/20/2001
510-690 Hayward N/A
510-691 Hercules/ Rodeo 9/19/2001
510-692 Oakland [Trinidad] N/A
510-693 Oakland [Main/ Piedmont] N/A
510-694 Oakland [Alameda] 12/8/2014
510-695 Hayward 8/17/2007
510-696 Oakland [Fruitvale] 6/22/2015
510-697 Oakland [Main/ Piedmont] N/A
510-698 Oakland [Fruitvale] N/A
510-699 Oakland [Main/ Piedmont] N/A
NPANXX Area served1 Date2
510-701 Oakland [Main/ Piedmont] N/A
510-702 Oakland [Main/ Piedmont] N/A
510-703 Oakland [Main/ Piedmont] N/A
510-704 Oakland [Berkeley] N/A
510-705 Oakland [Berkeley] N/A
510-706 Hayward 8/22/2001
510-707 Oakland [Trinidad] 4/1/2016
510-708 Oakland [Main/ Piedmont] N/A
510-709 Fremont/ Newark 6/25/2001
510-710 Oakland [Main/ Piedmont] N/A
510-712 Oakland [Main/ Piedmont] N/A
510-713 Fremont/ Newark N/A
510-714 Fremont/ Newark N/A
510-715 Oakland [Main/ Piedmont] N/A
510-716 Oakland [Main/ Piedmont] N/A
510-717 Oakland [Berkeley] 9/19/2002
510-718 Oakland [Main/ Piedmont] N/A
510-719 Oakland [Main/ Piedmont] N/A
510-720 Oakland [Main/ Piedmont] N/A
510-721 Oakland [Main/ Piedmont] N/A
510-722 Crockett N/A
510-723 Hayward N/A
510-724 El Sobrante/ Pinole N/A
510-725 Oakland [Berkeley] N/A
510-726 Crockett 8/25/2016
510-727 Hayward N/A
510-728 Hayward N/A
510-729 Oakland [Trinidad] N/A
510-730 Richmond 2/22/2010
510-731 Hayward N/A
510-732 Hayward N/A
510-733 Hayward N/A
510-734 Richmond N/A
510-735 Oakland [Main/ Piedmont] N/A
510-736 Hayward 12/9/2013
510-737 Fremont/ Newark 11/13/2015
510-738 Fremont/ Newark 8/26/2016
510-739 Fremont/ Newark N/A
510-740 Oakland [Main/ Piedmont] N/A
510-741 El Sobrante/ Pinole N/A
510-742 Fremont/ Newark N/A
510-743 Fremont/ Newark N/A
510-744 Fremont/ Newark N/A
510-745 Fremont/ Newark N/A
510-746 Oakland [Trinidad] 4/23/2001
510-747 Oakland [Alameda] N/A
510-748 Oakland [Alameda] N/A
510-749 Oakland [Alameda] N/A
510-750 Hayward N/A
510-751 Hayward N/A
510-752 Oakland [Main/ Piedmont] N/A
510-753 Oakland [Trinidad] 11/25/2014
510-754 Hayward 5/17/2002
510-755 Hayward N/A
510-756 Oakland [Trinidad] 9/9/2015
510-757 Oakland [Main/ Piedmont] N/A
510-758 El Sobrante/ Pinole N/A
510-759 Oakland [Main/ Piedmont] N/A
510-760 Hayward N/A
510-761 Oakland [Main/ Piedmont] N/A
510-763 Oakland [Main/ Piedmont] N/A
510-764 Oakland [Alameda] N/A
510-765 El Sobrante/ Pinole N/A
510-766 Fremont/ Newark 3/25/2015
510-767 Fremont/ Newark 11/8/2019
510-768 Oakland [Main/ Piedmont] N/A
510-769 Oakland [Alameda] N/A
510-770 Fremont/ Newark N/A
510-771 Fremont/ Newark N/A
510-772 Oakland [Main/ Piedmont] N/A
510-773 Oakland [Main/ Piedmont] N/A
510-774 Oakland [Main/ Piedmont] N/A
510-775 Oakland [Alameda] 9/14/2012
510-776 Richmond 9/21/2001
510-777 Oakland [Trinidad] N/A
510-778 Richmond 9/21/2006
510-779 El Sobrante/ Pinole N/A
510-780 Hayward N/A
510-781 Hayward N/A
510-782 Hayward N/A
510-783 Hayward N/A
510-784 Hayward N/A
510-785 Hayward N/A
510-786 Hayward N/A
510-787 Crockett N/A
510-788 Oakland [Main/ Piedmont] N/A
510-789 Fremont/ Newark N/A
510-790 Fremont/ Newark N/A
510-791 Fremont/ Newark N/A
510-792 Fremont/ Newark N/A
510-793 Fremont/ Newark N/A
510-794 Fremont/ Newark N/A
510-795 Fremont/ Newark N/A
510-796 Fremont/ Newark N/A
510-797 Fremont/ Newark N/A
510-798 Oakland [Trinidad] N/A
510-799 Hercules/ Rodeo N/A
NPANXX Area served1 Date2
510-800 Oakland [Alameda] N/A
510-801 Oakland [Main/ Piedmont] N/A
510-802 Oakland [Main/ Piedmont] N/A
510-803 Hercules/ Rodeo N/A
510-804 El Sobrante/ Pinole 9/28/2018
510-805 Oakland [Main/ Piedmont] N/A
510-806 Richmond 6/9/2016
510-807 Hayward 5/28/2019
510-808 Oakland [Main/ Piedmont] N/A
510-809 Oakland [Berkeley] N/A
510-810 Oakland [Berkeley] N/A
510-812 Oakland [Berkeley] N/A
510-813 Oakland [Main/ Piedmont] N/A
510-814 Oakland [Alameda] N/A
510-815 El Sobrante/ Pinole N/A
510-816 Oakland [Main/ Piedmont] N/A
510-817 Oakland [Main/ Piedmont] N/A
510-818 Fremont/ Newark N/A
510-819 Oakland [Main/ Piedmont] N/A
510-820 Oakland [Trinidad] 7/10/2015
510-821 Oakland [Main/ Piedmont] N/A
510-822 Oakland [Trinidad] 10/21/2016
510-823 Oakland [Main/ Piedmont] N/A
510-824 Fremont/ Newark N/A
510-825 Hayward 10/18/2001
510-826 Hayward 12/9/2016
510-827 Oakland [Main/ Piedmont] N/A
510-828 Hayward 3/22/2001
510-829 Richmond 8/18/2014
510-830 Oakland [Main/ Piedmont] 1/25/2001
510-831 Richmond 12/11/2020
510-832 Oakland [Main/ Piedmont] N/A
510-833 Oakland [Berkeley] 7/28/2014
510-834 Oakland [Main/ Piedmont] N/A
510-835 Oakland [Main/ Piedmont] N/A
510-836 Oakland [Main/ Piedmont] N/A
510-837 Richmond N/A
510-838 Oakland [Fruitvale] 2/28/2014
510-839 Oakland [Main/ Piedmont] N/A
510-840 Oakland [Main/ Piedmont] N/A
510-841 Oakland [Berkeley] N/A
510-842 Oakland [Fruitvale] N/A
510-843 Oakland [Berkeley] N/A
510-844 Oakland [Main/ Piedmont] N/A
510-845 Oakland [Berkeley] N/A
510-846 Oakland [Alameda] N/A
510-847 Oakland [Berkeley] 3/22/2001
510-848 Oakland [Berkeley] N/A
510-849 Oakland [Berkeley] N/A
510-850 Oakland [Trinidad] 4/13/2015
510-851 Oakland [Main/ Piedmont] N/A
510-852 Oakland [Main/ Piedmont] N/A
510-853 Oakland [Main/ Piedmont] N/A
510-854 El Sobrante/ Pinole 5/17/2001
510-855 Oakland [Main/ Piedmont] N/A
510-856 Hayward N/A
510-857 Fremont/ Newark N/A
510-858 Oakland [Main/ Piedmont] N/A
510-859 Oakland [Berkeley] N/A
510-860 Richmond N/A
510-861 Hayward N/A
510-862 Hayward N/A
510-863 Oakland [Alameda] N/A
510-864 Oakland [Alameda] N/A
510-865 Oakland [Alameda] N/A
510-866 Oakland [Fruitvale] 1/25/2001
510-867 Oakland [Main/ Piedmont] N/A
510-868 Oakland [Berkeley] N/A
510-869 Oakland [Main/ Piedmont] N/A
510-870 Fremont/ Newark N/A
510-871 Oakland [Alameda] 7/28/2014
510-872 Oakland [Alameda] N/A
510-873 Oakland [Main/ Piedmont] N/A
510-874 Oakland [Main/ Piedmont] N/A
510-875 Oakland [Trinidad] N/A
510-876 Hayward 3/27/2014
510-877 Oakland [Trinidad] N/A
510-878 Oakland [Trinidad] N/A
510-879 Oakland [Main/ Piedmont] N/A
510-880 Hayward N/A
510-881 Hayward N/A
510-882 Oakland [Main/ Piedmont] N/A
510-883 Oakland [Berkeley] N/A
510-884 Hayward N/A
510-885 Hayward N/A
510-886 Hayward N/A
510-887 Hayward N/A
510-888 Hayward N/A
510-889 Hayward N/A
510-890 Richmond 6/14/2016
510-891 Oakland [Main/ Piedmont] N/A
510-892 Hayward N/A
510-893 Oakland [Main/ Piedmont] N/A
510-894 Fremont/ Newark N/A
510-895 Oakland [Trinidad] N/A
510-896 Fremont/ Newark N/A
510-897 Fremont/ Newark N/A
510-898 Oakland [Berkeley] N/A
510-899 Oakland [Main/ Piedmont] N/A

NPANXX Area served1 Date2
510-900 Oakland [Berkeley] N/A
510-901 Hayward 7/29/2016
510-902 Fremont/ Newark 12/3/2018
510-903 Oakland [Main/ Piedmont] N/A
510-904 Oakland [Trinidad] 4/20/2001
510-905 Oakland [Alameda] 9/17/2018
510-906 Oakland [Alameda] 7/15/2016
510-907 Oakland [Main/ Piedmont] N/A
510-908 Oakland [Main/ Piedmont] N/A
510-909 Hayward N/A
510-910 Oakland [Main/ Piedmont] N/A
510-912 Oakland [Main/ Piedmont] N/A
510-913 Oakland [Main/ Piedmont] N/A
510-914 Oakland [Main/ Piedmont] N/A
510-915 Oakland [Main/ Piedmont] N/A
510-916 Oakland [Trinidad] 3/4/2021
510-917 Oakland [Main/ Piedmont] N/A
510-918 Oakland [Main/ Piedmont] N/A
510-919 Oakland [Main/ Piedmont] N/A
510-920 Oakland [Main/ Piedmont] 3/16/2018
510-921 Hayward N/A
510-922 Oakland [Main/ Piedmont] N/A
510-923 Oakland [Main/ Piedmont] N/A
510-924 Oakland [Trinidad] N/A
510-925 Hayward 9/18/2014
510-926 Oakland [Berkeley] N/A
510-927 Oakland [Fruitvale] N/A
510-928 Oakland [Main/ Piedmont] N/A
510-929 Oakland [Main/ Piedmont] 3/13/2018
510-930 Oakland [Fruitvale] 9/20/2018
510-931 Hayward N/A
510-932 Richmond 3/22/2001
510-933 Fremont/ Newark 3/1/2001
510-934 Oakland [Fruitvale] 3/11/2015
510-935 Hayward 3/27/2014
510-936 Fremont/ Newark N/A
510-937 Crockett 6/9/2015
510-938 Fremont/ Newark 9/21/2001
510-939 Hercules/ Rodeo 3/25/2015
510-940 Hayward N/A
510-941 Fremont/ Newark 12/12/2016
510-942 Richmond 12/1/2014
510-943 Fremont/ Newark N/A
510-944 Oakland [Berkeley] 10/3/2014
510-945 Fremont/ Newark 4/10/2015
510-946 Fremont/ Newark 6/11/2015
510-947 Oakland [Main/ Piedmont] N/A
510-948 Hercules/ Rodeo 8/18/2004
510-949 Hercules/ Rodeo 7/15/2016
510-951 Hayward 8/5/2021
510-952 Fremont/ Newark 5/17/2001
510-953 Fremont/ Newark 8/5/2014
510-954 Hayward 12/3/2018
510-955 Oakland [Trinidad] 4/5/2018
510-956 Oakland [Alameda] 1/17/2019
510-957 Oakland [Trinidad] N/A
510-960 Oakland [Berkeley] N/A
510-961 Fremont/ Newark 4/17/2019
510-962 Hayward N/A
510-963 Hayward 11/13/2015
510-964 El Sobrante/ Pinole N/A
510-965 Richmond N/A
510-966 Fremont/ Newark N/A
510-967 Oakland [Fruitvale] N/A
510-968 Fremont/ Newark N/A
510-969 Oakland [Trinidad] N/A
510-970 Richmond N/A
510-971 Oakland [Main/ Piedmont] 12/22/2020
510-972 Fremont/ Newark N/A
510-973 Oakland [Berkeley] 2/25/2021
510-974 Richmond 9/19/2014
510-975 Oakland [Alameda] 1/22/2019
510-976 Oakland [Berkeley] 6/8/2011
510-977 Oakland [Berkeley] 3/19/2019
510-978 Oakland [Alameda] N/A
510-979 Fremont/ Newark N/A
510-980 Fremont/ Newark 6/10/2019
510-981 Oakland [Berkeley] N/A
510-982 Oakland [Berkeley] N/A
510-983 Fremont/ Newark 2/6/2019
510-984 Oakland [Berkeley] N/A
510-985 Oakland [Main/ Piedmont] N/A
510-986 Oakland [Main/ Piedmont] N/A
510-987 Oakland [Main/ Piedmont] N/A
510-988 Oakland [Fruitvale] 3/21/2019
510-989 Oakland [Berkeley] N/A
510-990 Oakland [Berkeley] N/A
510-991 Fremont/ Newark N/A
510-992 Oakland [Main/ Piedmont] N/A
510-993 Oakland [Berkeley] 6/10/2016
510-994 Richmond 7/26/2019
510-995 Oakland [Alameda] N/A
510-996 Fremont/ Newark N/A
510-997 Oakland [Main/ Piedmont] N/A
510-998 El Sobrante/ Pinole 3/27/2019
510-999 Hayward 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. Assignment date. N/A - mostly CO codes assigned before 2001.
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Cities in area code 510

City1 County Time2
Alameda Alameda P
Albany Alameda P
Berkeley Alameda P
Castro Valley Alameda P
Crockett Contra Costa P
El Cerrito Contra Costa P
El Sobrante Contra Costa P
Emeryville Alameda P
Fremont Alameda P
Hayward Alameda P
Hercules Contra Costa P
Knightsen Contra Costa P
Newark Alameda P
Oakland Alameda P
Piedmont Alameda P
Pinole Contra Costa P
Port Costa Contra Costa P
Richmond Contra Costa P
Rodeo Contra Costa P
San Leandro Alameda P
San Lorenzo Alameda P
San Pablo Contra Costa P
Union City Alameda P
  1. Listed above are most places served by area code 510. When multiple places in a state/province 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 Zone (currently 04:55:41 AM).
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