All assignees
208 prefixes in 628 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 628-300 | SNFC CNTRL | 649C | 2015-03-17 | Yes |
| 628-301 | NOVATO | 6529 | 2024-03-06 | Yes |
| 628-302 | CORTEMADRA | 6529 | 2024-03-06 | Yes |
| 628-303 | SNFC CNTRL | 649C | 2024-03-18 | Yes |
| 628-304 | SNFC JUNPR | 6529 | 2024-05-01 | Yes |
| 628-305 | SAN RAFAEL | 6529 | 2024-05-22 | Yes |
| 628-306 | SNFC CNTRL | 6529 | 2024-05-31 | Yes |
| 628-307 | IGNACIO | 6010 | 2024-06-12 | Yes |
| 628-308 | SNFC MT-EV | 6529 | 2024-07-30 | Yes |
| 628-309 | SNFC CNTRL | 6529 | 2024-07-30 | Yes |
| 628-310 | BELVEDERE | 6529 | 2024-04-03 | Yes |
| 628-311 | MULT | — | — | |
| 628-312 | SNFC CNTRL | 6529 | 2024-08-30 | Yes |
| 628-313 | SAN RAFAEL | 6529 | 2021-11-03 | Yes |
| 628-314 | SAN RAFAEL | 0051 | 2024-09-12 | — |
| 628-315 | BELVEDERE | 6529 | 2024-09-25 | Yes |
| 628-316 | SNFC CNTRL | 6010 | 2024-10-09 | Yes |
| 628-317 | SNFC MT-EV | 6010 | 2024-11-21 | Yes |
| 628-318 | SNFC MT-EV | 6010 | 2024-11-21 | Yes |
| 628-319 | SNFC JUNPR | 6010 | 2025-01-13 | Yes |
| 628-320 | SNFC MT-EV | 624H | 2025-01-28 | Yes |
| 628-321 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-322 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-323 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-324 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-325 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-326 | SNFC CNTRL | 7145 | 2022-09-15 | Yes |
| 628-327 | SAN RAFAEL | 649C | 2025-09-03 | Yes |
| 628-328 | SNFC CNTRL | 7145 | 2025-02-18 | Yes |
| 628-329 | SAUSALITO | 6529 | 2025-11-06 | Yes |
| 628-330 | SAN RAFAEL | 649C | 2026-06-26 | Yes |
| 628-333 | SNFC CNTRL | 649C | — | Yes |
| 628-335 | SNFC CNTRL | 7145 | 2025-04-28 | Yes |
| 628-336 | SAN RAFAEL | 965H | 2019-03-19 | Yes |
| 628-338 | SNFC MT-EV | 649C | 2023-10-16 | Yes |
| 628-345 | POINTREYES | 965H | 2020-08-25 | Yes |
| 628-348 | BELVEDERE | 965H | 2020-07-10 | Yes |
| 628-356 | NICASIO | 965H | 2019-11-22 | Yes |
| 628-358 | SNFC CNTRL | 6529 | — | Yes |
| 628-363 | SNFC JUNPR | 6006 | 2018-03-06 | Yes |
| 628-377 | IGNACIO | 965H | 2021-07-15 | Yes |
| 628-386 | CORTEMADRA | 965H | 2022-05-24 | Yes |
| 628-388 | INVERNESS | 965H | 2021-01-27 | Yes |
| 628-399 | SNFC MT-EV | 965H | 2021-01-27 | Yes |
| 628-400 | SNFC CNTRL | 649C | 2014-10-01 | Yes |
| 628-411 | MULT | — | — | |
| 628-415 | — | — | ||
| 628-432 | SNFC MT-EV | 965H | 2020-09-17 | Yes |
| 628-433 | IGNACIO | 981E | 2019-03-11 | Yes |
| 628-444 | SNFC CNTRL | 649C | 2014-09-30 | Yes |
| 628-465 | SAUSALITO | 965H | 2019-05-20 | Yes |
| 628-466 | SNFC CNTRL | 649C | — | Yes |
| 628-468 | SNFC CNTRL | 622J | 2021-05-25 | Yes |
| 628-477 | MILLVALLEY | 965H | 2021-02-08 | Yes |
| 628-488 | SNFC CNTRL | 965H | 2022-02-22 | Yes |
| 628-500 | SAN RAFAEL | 649C | 2015-03-26 | Yes |
| 628-502 | SNFC CNTRL | 6006 | 2017-11-09 | Yes |
| 628-511 | MULT | — | — | |
| 628-529 | SNFC JUNPR | 965H | 2019-05-20 | Yes |
| 628-555 | DIR ASST | MULT | — | — |
| 628-561 | STNSN-BLNS | 373F | 2018-02-15 | Yes |
| 628-577 | NICASIO | 965H | 2021-07-15 | Yes |
| 628-587 | NOVATO | 965H | 2021-06-17 | Yes |
| 628-588 | SNFC CNTRL | 965H | 2021-02-09 | Yes |
| 628-600 | SNFC CNTRL | 649C | 2014-10-01 | Yes |
| 628-611 | MULT | — | — | |
| 628-626 | SNFC CNTRL | 649C | 2022-11-04 | Yes |
| 628-628 | SNFC CNTRL | 965H | 2019-03-19 | Yes |
| 628-629 | SNFC CNTRL | 321J | 2018-12-19 | Yes |
| 628-652 | SNFC CNTRL | 7145 | 2018-01-04 | Yes |
| 628-666 | IGNACIO | 649C | — | Yes |
| 628-667 | SAN RAFAEL | 965H | 2020-11-17 | Yes |
| 628-677 | MILLVALLEY | 965H | 2021-07-15 | Yes |
| 628-682 | NOVATO | 649C | 2020-08-27 | Yes |
| 628-688 | SNFC CNTRL | 965H | 2020-07-10 | Yes |
| 628-699 | SAUSALITO | 965H | 2021-07-15 | Yes |
| 628-700 | — | — | ||
| 628-711 | MULT | — | — | |
| 628-724 | BELVEDERE | 965H | 2020-11-16 | Yes |
| 628-726 | SNFC CNTRL | 321J | 2024-06-20 | Yes |
| 628-732 | SNFC JUNPR | 965H | 2020-07-10 | Yes |
| 628-754 | SNFC MT-EV | 7145 | 2023-02-13 | Yes |
| 628-758 | SNFC MT-EV | 965H | 2019-03-19 | Yes |
| 628-766 | STNSN-BLNS | 965H | 2020-07-10 | Yes |
| 628-777 | SNFC MT-EV | 649C | — | Yes |
| 628-786 | SNFC JUNPR | 965H | 2020-11-03 | Yes |
| 628-788 | SNFC MT-EV | 965H | 2021-02-09 | Yes |
| 628-789 | SNFC CNTRL | 616J | — | Yes |
| 628-800 | SNFC CNTRL | 649C | 2014-10-01 | Yes |
| 628-811 | MULT | — | — | |
| 628-842 | CORTEMADRA | 965H | 2020-08-25 | Yes |
| 628-866 | BELVEDERE | 965H | 2021-07-15 | Yes |
| 628-867 | SNFC CNTRL | 939H | 2017-03-24 | Yes |
| 628-877 | CORTEMADRA | 649C | 2016-02-15 | Yes |
| 628-888 | SAN RAFAEL | 649C | — | Yes |
| 628-895 | SNFC CNTRL | 7229 | 2017-02-03 | Yes |
| 628-899 | SNFC MT-EV | 373F | 2016-02-29 | Yes |
| 628-900 | SNFC CNTRL | 649C | — | Yes |
| 628-911 | MULT | — | — | |
| 628-946 | SNFC CNTRL | 965H | 2020-09-17 | 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.