All assignees
655 prefixes in 925 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 925-625 | ECONTRCOST | 9740 | — | — |
| 925-626 | ECONTRCOST | 7229 | — | Yes |
| 925-627 | WALNUT CRK | 671J | 2001-03-27 | Yes |
| 925-628 | ANTIOCH | 6006 | — | — |
| 925-631 | MORAGA | 9740 | — | Yes |
| 925-633 | CONCORD | 965H | 2021-08-05 | Yes |
| 925-634 | ECONTRCOST | 9740 | — | — |
| 925-635 | PITTSBURG | 7145 | — | Yes |
| 925-638 | MARTINEZ | 7145 | 2026-05-08 | Yes |
| 925-639 | WALNUT CRK | 6529 | 2001-10-18 | — |
| 925-640 | DUBLN-SNRM | 6010 | — | — |
| 925-642 | ANTIOCH | 6010 | — | — |
| 925-643 | PSBG WEST | 671J | 2001-05-21 | Yes |
| 925-644 | CONCORD | 965H | 2021-07-13 | Yes |
| 925-646 | CONCORD | 9740 | — | — |
| 925-648 | DANVILLE | 9740 | — | Yes |
| 925-651 | WALNUT CRK | 6529 | 2026-08-20 | Yes |
| 925-653 | CONCORD | 649C | 2026-07-21 | Yes |
| 925-655 | CONCORD | 965H | 2019-03-20 | Yes |
| 925-658 | WALNUT CRK | 7145 | — | Yes |
| 925-659 | BSHP RNCH | 7145 | — | Yes |
| 925-660 | PLEASANTON | 7718 | — | Yes |
| 925-663 | SUNOL | 7379 | — | Yes |
| 925-664 | PSBG WEST | 7379 | — | Yes |
| 925-665 | PITTSBURG | 7379 | — | Yes |
| 925-666 | ECONTRCOST | 7379 | — | Yes |
| 925-667 | LIVERMORE | 671J | 2001-05-18 | Yes |
| 925-671 | CONCORD | 9740 | — | — |
| 925-672 | CLAYTON | 9740 | — | — |
| 925-673 | CLAYTON | 9740 | — | Yes |
| 925-674 | CONCORD | 9740 | — | — |
| 925-675 | CONCORD | 9740 | — | — |
| 925-676 | CONCORD | 9740 | — | — |
| 925-677 | CONCORD | 9740 | — | Yes |
| 925-678 | DANVILLE | 671J | — | Yes |
| 925-679 | ECONTRCOST | 9740 | — | Yes |
| 925-680 | CONCORD | 9740 | — | — |
| 925-681 | CONCORD | 9740 | — | Yes |
| 925-682 | CONCORD | 9740 | — | — |
| 925-683 | DANVILLE | 6010 | — | — |
| 925-684 | ECONTRCOST | 9740 | — | Yes |
| 925-685 | CONCORD | 9740 | — | — |
| 925-686 | CONCORD | 9740 | — | — |
| 925-687 | CONCORD | 9740 | — | — |
| 925-688 | CONCORD | 9740 | — | Yes |
| 925-689 | CONCORD | 9740 | — | — |
| 925-690 | CLAYTON | 7229 | — | Yes |
| 925-691 | CONCORD | 9740 | — | — |
| 925-692 | CONCORD | 9740 | — | — |
| 925-693 | CLAYTON | 7145 | — | Yes |
| 925-694 | PLEASANTON | 7229 | — | Yes |
| 925-695 | CONCORD | 5562 | — | Yes |
| 925-698 | PITTSBURG | 6010 | — | — |
| 925-699 | PLEASANTON | 6010 | — | — |
| 925-700 | — | — | ||
| 925-701 | PLEASANTON | 671J | — | Yes |
| 925-705 | WALNUT CRK | 5562 | 2001-08-22 | Yes |
| 925-706 | ANTIOCH | 9740 | — | — |
| 925-708 | WALNUT CRK | 6006 | 2001-01-26 | — |
| 925-709 | PSBG WEST | 9740 | — | Yes |
| 925-711 | XXXXXXXXXX | MULT | — | — |
| 925-718 | DANVILLE | 649C | — | Yes |
| 925-719 | DUBLN-SNRM | 6006 | 2002-04-16 | Yes |
| 925-722 | WALNUT CRK | 965H | 2021-07-07 | Yes |
| 925-723 | MARTINEZ | 671J | — | Yes |
| 925-724 | LIVERMORE | 671J | — | Yes |
| 925-725 | DANVILLE | 671J | — | Yes |
| 925-726 | CONCORD | 671J | — | Yes |
| 925-727 | ANTIOCH | 5562 | — | Yes |
| 925-730 | PLEASANTON | 9740 | — | Yes |
| 925-732 | ANTIOCH | 649C | — | Yes |
| 925-733 | DANVILLE | 965H | 2021-08-05 | Yes |
| 925-734 | PLEASANTON | 9740 | — | Yes |
| 925-735 | BSHP RNCH | 9740 | — | Yes |
| 925-736 | DANVILLE | 9740 | — | — |
| 925-737 | PLEASANTON | 9740 | — | Yes |
| 925-738 | PLEASANTON | 7229 | — | Yes |
| 925-739 | — | — | ||
| 925-743 | DANVILLE | 9740 | — | — |
| 925-744 | WALNUT CRK | 965H | 2020-11-13 | Yes |
| 925-746 | WALNUT CRK | 9740 | — | — |
| 925-750 | PLEASANTON | 7229 | — | Yes |
| 925-752 | ANTIOCH | 7229 | — | Yes |
| 925-753 | ANTIOCH | 9740 | — | — |
| 925-754 | ANTIOCH | 9740 | — | — |
| 925-755 | ANTIOCH | 9740 | — | Yes |
| 925-756 | ANTIOCH | 9740 | — | — |
| 925-757 | ANTIOCH | 9740 | — | — |
| 925-758 | LIVERMORE | 965H | 2019-03-20 | Yes |
| 925-759 | ANTIOCH | 6010 | — | — |
| 925-762 | BSHP RNCH | 9740 | — | — |
| 925-765 | WALNUT CRK | 5562 | — | Yes |
| 925-766 | WALNUT CRK | 6529 | — | Yes |
| 925-768 | CONCORD | 6006 | 2001-06-25 | — |
| 925-771 | CONCORD | 671J | 2001-03-01 | Yes |
| 925-775 | ANTIOCH | 7379 | — | Yes |
| 925-776 | ANTIOCH | 9740 | — | — |
| 925-777 | ANTIOCH | 9740 | — | — |
| 925-778 | ANTIOCH | 9740 | — | — |
| 925-779 | ANTIOCH | 9740 | — | — |
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.