All assignees
703 prefixes in 661 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 661-600 | SNCA NHCS | 7139 | — | Yes |
| 661-601 | BKFD NORTH | 939H | 2022-02-24 | Yes |
| 661-602 | BKFD SOUTH | 981E | 2022-10-11 | Yes |
| 661-603 | PLDL PLDL | 6006 | 2023-02-10 | Yes |
| 661-604 | LANCASTER | 6006 | 2023-02-17 | Yes |
| 661-605 | BKFD MAIN | 394L | 2023-04-12 | Yes |
| 661-606 | ARVIN | 6529 | — | Yes |
| 661-607 | SNCA NHCS | 9740 | — | Yes |
| 661-608 | HI VISTA | 624H | 2023-04-12 | Yes |
| 661-609 | LANCASTER | 6010 | — | — |
| 661-610 | BKFD MAIN | 7139 | 2022-07-20 | Yes |
| 661-611 | XXXXXXXXXX | MULT | — | — |
| 661-612 | BKFD MAIN | 490J | 2023-05-16 | Yes |
| 661-613 | EDWARDS | 114J | — | Yes |
| 661-614 | TEHACHAPI | 6010 | 2023-08-28 | Yes |
| 661-615 | BKFD NORTH | 7718 | — | Yes |
| 661-616 | BKFD MAIN | 7718 | — | Yes |
| 661-617 | BKFD SOUTH | 7718 | — | Yes |
| 661-618 | PLDL PLDL | 6006 | — | — |
| 661-619 | BKFD MAIN | 6006 | — | — |
| 661-620 | SNCA SGCC | 7894 | — | — |
| 661-621 | SNCA SGCC | 899D | — | Yes |
| 661-622 | PLDL LNVY | 7718 | — | Yes |
| 661-623 | TAFT | 6010 | — | Yes |
| 661-624 | BKFD SOUTH | 515J | 2020-11-25 | Yes |
| 661-625 | SNCA NHCS | 6529 | 2021-12-08 | Yes |
| 661-626 | — | — | ||
| 661-627 | SNCA NHCS | 6529 | 2021-02-16 | Yes |
| 661-628 | — | — | ||
| 661-629 | BKFD NORTH | 939H | 2023-12-29 | Yes |
| 661-630 | SHAFTER | 045L | — | Yes |
| 661-631 | BKFD MAIN | 9740 | — | — |
| 661-632 | BKFD MAIN | 9740 | — | Yes |
| 661-633 | BKFD MAIN | 9740 | — | Yes |
| 661-634 | BKFD MAIN | 9740 | — | Yes |
| 661-635 | BKFD MAIN | 9740 | — | — |
| 661-636 | BKFD MAIN | 9740 | — | Yes |
| 661-637 | BKFD MAIN | 9740 | — | Yes |
| 661-638 | BKFD MAIN | 9740 | — | Yes |
| 661-639 | LAKEHUGHES | 516J | 2022-02-18 | Yes |
| 661-640 | BKFD NORTH | 321J | 2024-07-01 | Yes |
| 661-641 | EDWARDS | 622J | — | Yes |
| 661-642 | DELANO | 7139 | 2023-12-15 | Yes |
| 661-643 | LANCASTER | 6006 | 2024-07-03 | Yes |
| 661-644 | SNCA NHCS | 6010 | — | Yes |
| 661-645 | SNCA NHCS | 6010 | — | — |
| 661-646 | LANCASTER | 649C | 2024-07-05 | Yes |
| 661-647 | BKFD SOUTH | 649C | 2024-07-05 | Yes |
| 661-648 | PLDL PLDL | 6006 | 2024-07-23 | Yes |
| 661-649 | ARVIN | 671J | 2022-07-13 | Yes |
| 661-650 | — | — | ||
| 661-651 | SNCA NHCS | 649C | 2022-11-23 | Yes |
| 661-652 | SNCA NHCS | 6529 | 2024-09-12 | Yes |
| 661-653 | DELANO | 6529 | 2022-04-25 | Yes |
| 661-654 | BKFD SOUTH | 9740 | — | Yes |
| 661-655 | ARVIN | 965H | 2020-07-23 | Yes |
| 661-656 | PLDL PLDL | 6010 | 2024-09-20 | Yes |
| 661-657 | — | — | ||
| 661-658 | BKFD MAIN | 616J | 2024-09-23 | Yes |
| 661-659 | BKFD MAIN | 490J | 2025-03-04 | Yes |
| 661-660 | SNCA SGCC | 624H | 2021-02-03 | Yes |
| 661-661 | — | — | ||
| 661-662 | BKFD MAIN | 939H | 2017-03-24 | Yes |
| 661-663 | BKFD SOUTH | 9740 | — | — |
| 661-664 | BKFD SOUTH | 9740 | — | — |
| 661-665 | BKFD SOUTH | 9740 | — | Yes |
| 661-666 | SNCA NHCS | 649C | — | Yes |
| 661-667 | MCFARLAND | 5562 | — | Yes |
| 661-668 | EARLIMART | 7718 | — | Yes |
| 661-669 | BIG BUTTE | 981E | 2019-07-02 | Yes |
| 661-670 | SNCA NHCS | 899D | — | Yes |
| 661-671 | BKFD SOUTH | 6006 | 2025-03-11 | Yes |
| 661-672 | ARVIN | 6529 | 2025-03-21 | Yes |
| 661-673 | SNCA SGCC | 515J | — | Yes |
| 661-674 | LANCASTER | 6529 | — | Yes |
| 661-675 | PLDL PLDL | 6529 | — | Yes |
| 661-676 | LANCASTER | 6006 | 2025-03-21 | Yes |
| 661-677 | BKFD NORTH | 965H | 2019-12-30 | Yes |
| 661-678 | SNCA NHCS | 7421 | — | Yes |
| 661-679 | BKFD NORTH | 7139 | 2002-08-21 | Yes |
| 661-680 | BKFD NORTH | 624H | 2025-04-14 | Yes |
| 661-681 | BKFD NORTH | 478J | 2025-04-21 | Yes |
| 661-682 | BKFD MAIN | 700J | 2025-07-30 | Yes |
| 661-683 | LANCASTER | 649C | 2025-09-03 | Yes |
| 661-684 | BKFD SOUTH | 6006 | 2025-09-12 | Yes |
| 661-685 | ARVIN | 6529 | — | Yes |
| 661-686 | SNCA SGCC | 649C | 2026-01-30 | Yes |
| 661-687 | BKFD SOUTH | 671J | 2022-05-26 | Yes |
| 661-688 | BKFD MAIN | 965H | 2019-12-23 | Yes |
| 661-689 | CLFRNHTSPG | 8826 | — | Yes |
| 661-690 | DELANO | 6529 | 2019-04-12 | Yes |
| 661-691 | BKFD MAIN | 252F | 2025-10-30 | Yes |
| 661-692 | BKFD SOUTH | 6010 | 2026-03-26 | Yes |
| 661-693 | LANCASTER | 649C | 2026-09-03 | Yes |
| 661-694 | BKFD NORTH | 732J | — | Yes |
| 661-695 | BKFD NORTH | 7128 | 2002-10-15 | Yes |
| 661-699 | BKFD SOUTH | 6006 | — | Yes |
| 661-700 | — | — | ||
| 661-701 | PLDL PLDL | 6010 | 2023-03-10 | Yes |
| 661-702 | SNCA NHCS | 9740 | — | 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.