All assignees
655 prefixes in 925 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 925-400 | PLEASANTON | 981E | — | Yes |
| 925-401 | PLEASANTON | 7229 | — | Yes |
| 925-402 | ORINDA | 7229 | — | Yes |
| 925-403 | LAFAYETTE | 7229 | — | Yes |
| 925-404 | DUBLN-SNRM | 7229 | — | Yes |
| 925-405 | CONCORD | 7229 | — | Yes |
| 925-406 | DANVILLE | 7229 | — | Yes |
| 925-407 | WALNUT CRK | 7229 | — | Yes |
| 925-408 | CONCORD | 6010 | — | — |
| 925-409 | LIVERMORE | 6006 | 2017-08-18 | Yes |
| 925-410 | PLEASANTON | 671J | 2020-07-14 | Yes |
| 925-411 | XXXXXXXXXX | MULT | — | — |
| 925-412 | CONCORD | 6006 | 2018-11-19 | Yes |
| 925-413 | DUBLN-SNRM | 6010 | — | — |
| 925-414 | CONCORD | 6006 | 2019-07-31 | Yes |
| 925-415 | BSHP RNCH | 8826 | — | Yes |
| 925-416 | PLEASANTON | 9740 | — | Yes |
| 925-417 | PLEASANTON | 9740 | — | Yes |
| 925-418 | ECONTRCOST | 8826 | — | Yes |
| 925-419 | CONCORD | 649C | 2023-10-02 | Yes |
| 925-420 | ECONTRCOST | 649C | — | Yes |
| 925-421 | CONCORD | 981E | 2012-01-27 | Yes |
| 925-422 | LIVERMORE | 9740 | — | — |
| 925-423 | LIVERMORE | 9740 | — | — |
| 925-424 | LIVERMORE | 9740 | — | — |
| 925-425 | PLEASANTON | 7145 | — | Yes |
| 925-426 | PLEASANTON | 9740 | — | — |
| 925-427 | PITTSBURG | 9740 | — | — |
| 925-428 | ANTIOCH | 6529 | 2013-04-19 | Yes |
| 925-429 | CONCORD | 8826 | — | Yes |
| 925-430 | WALNUT CRK | 394L | 2019-10-09 | Yes |
| 925-431 | PITTSBURG | 9740 | — | Yes |
| 925-432 | PITTSBURG | 9740 | — | — |
| 925-433 | WALNUT CRK | 394L | 2015-11-02 | Yes |
| 925-434 | ANTIOCH | 373F | — | Yes |
| 925-435 | CONCORD | 6529 | — | Yes |
| 925-436 | ANTIOCH | 6529 | 2016-08-30 | Yes |
| 925-437 | ANTIOCH | 6010 | — | — |
| 925-438 | ORINDA | 671J | — | Yes |
| 925-439 | PITTSBURG | 9740 | — | — |
| 925-440 | WALNUT CRK | 6006 | 2018-11-02 | Yes |
| 925-441 | ANTIOCH | 671J | 2022-06-29 | Yes |
| 925-443 | LIVERMORE | 9740 | — | — |
| 925-444 | LAFAYETTE | 671J | — | Yes |
| 925-445 | ANTIOCH | 6529 | 2021-04-05 | Yes |
| 925-446 | CONCORD | 5562 | 2012-06-25 | Yes |
| 925-447 | LIVERMORE | 9740 | — | — |
| 925-448 | WALNUT CRK | 6006 | 2014-04-28 | Yes |
| 925-449 | LIVERMORE | 9740 | — | — |
| 925-450 | ECONTRCOST | 981E | 2020-06-26 | Yes |
| 925-451 | WALNUT CRK | 6010 | — | Yes |
| 925-452 | DUBLN-SNRM | 671J | — | Yes |
| 925-453 | LIVERMORE | 7229 | — | Yes |
| 925-454 | LIVERMORE | 9740 | — | — |
| 925-455 | LIVERMORE | 9740 | — | Yes |
| 925-456 | LIVERMORE | 9740 | — | Yes |
| 925-457 | WALNUT CRK | 6529 | — | Yes |
| 925-458 | PSBG WEST | 9740 | — | Yes |
| 925-459 | CONCORD | 8826 | — | Yes |
| 925-460 | PLEASANTON | 9740 | — | Yes |
| 925-461 | PLEASANTON | 9740 | — | — |
| 925-462 | PLEASANTON | 9740 | — | — |
| 925-463 | PLEASANTON | 9740 | — | — |
| 925-464 | WALNUT CRK | 6006 | 2012-08-16 | Yes |
| 925-465 | WALNUT CRK | 8826 | — | — |
| 925-466 | CONCORD | 965H | 2020-09-17 | Yes |
| 925-467 | PLEASANTON | 9740 | — | Yes |
| 925-468 | PLEASANTON | 9740 | — | Yes |
| 925-469 | PLEASANTON | 9740 | — | Yes |
| 925-470 | ANTIOCH | 7145 | — | Yes |
| 925-471 | CONCORD | 649C | — | Yes |
| 925-472 | WALNUT CRK | 9740 | — | — |
| 925-473 | PITTSBURG | 9740 | — | — |
| 925-474 | PLEASANTON | 671J | — | Yes |
| 925-475 | PLEASANTON | 7379 | — | Yes |
| 925-476 | WALNUT CRK | 7379 | — | Yes |
| 925-477 | ANTIOCH | 6529 | 2019-01-18 | Yes |
| 925-478 | WALNUT CRK | 8826 | — | Yes |
| 925-479 | DUBLN-SNRM | 9740 | — | Yes |
| 925-480 | BSHP RNCH | 671J | — | Yes |
| 925-481 | ANTIOCH | 6010 | 2014-03-24 | Yes |
| 925-482 | WALNUT CRK | 671J | — | Yes |
| 925-483 | CONCORD | 394L | 2015-04-23 | Yes |
| 925-484 | PLEASANTON | 9740 | — | — |
| 925-485 | PLEASANTON | 9740 | — | — |
| 925-486 | DANVILLE | 649C | 2024-04-29 | Yes |
| 925-487 | DUBLN-SNRM | 6010 | — | — |
| 925-488 | WALNUT CRK | 373F | 2019-06-24 | Yes |
| 925-489 | ANTIOCH | 6529 | 2020-10-15 | Yes |
| 925-490 | CONCORD | 981E | 2014-05-23 | Yes |
| 925-491 | ANTIOCH | 649C | 2023-10-02 | Yes |
| 925-492 | PITTSBURG | 939H | 2021-09-24 | Yes |
| 925-493 | LIVERMORE | 7145 | — | Yes |
| 925-494 | CONCORD | 981E | 2015-04-16 | Yes |
| 925-495 | LIVERMORE | 981E | 2016-08-02 | Yes |
| 925-496 | CONCORD | 981E | 2021-12-23 | Yes |
| 925-497 | CONCORD | 5562 | 2001-08-22 | — |
| 925-498 | BSHP RNCH | 671J | — | Yes |
| 925-499 | CONCORD | 7240 | 2017-12-26 | Yes |
| 925-500 | MARTINEZ | 649C | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.