All assignees
51 prefixes in 670 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 670-211 | XXXXXXXXXX | MULT | — | — |
| 670-233 | SAIPAN | 3700 | — | — |
| 670-234 | SAIPAN | 3700 | — | — |
| 670-235 | SAIPAN | 3700 | — | — |
| 670-236 | SAIPAN | 3700 | — | — |
| 670-237 | SAIPAN | 3700 | 2005-06-01 | — |
| 670-256 | SAIPAN | 3700 | — | — |
| 670-284 | SAIPAN | 387C | 2018-04-20 | — |
| 670-285 | SAIPAN | 387C | 2005-01-25 | — |
| 670-286 | SAIPAN | 387C | — | — |
| 670-287 | SAIPAN | 387C | — | — |
| 670-288 | SAIPAN | 3700 | — | — |
| 670-311 | XXXXXXXXXX | MULT | — | — |
| 670-321 | SAIPAN | 3700 | — | — |
| 670-322 | SAIPAN | 3700 | — | — |
| 670-323 | SAIPAN | 3700 | — | — |
| 670-328 | SAIPAN | 3700 | — | — |
| 670-411 | XXXXXXXXXX | MULT | — | — |
| 670-433 | TINIAN | 3700 | — | — |
| 670-483 | SAIPAN | 4974 | — | — |
| 670-484 | SAIPAN | 4974 | 2002-05-17 | — |
| 670-488 | TINIAN | 4974 | 2004-09-20 | — |
| 670-511 | XXXXXXXXXX | MULT | — | — |
| 670-532 | ROTA | 3700 | — | — |
| 670-555 | DIR ASST | MULT | — | — |
| 670-588 | ROTA | 4974 | 2004-09-17 | — |
| 670-611 | XXXXXXXXXX | MULT | — | — |
| 670-664 | SAIPAN | 3700 | — | — |
| 670-670 | — | — | ||
| 670-682 | SAIPAN | 3700 | — | — |
| 670-700 | — | — | ||
| 670-711 | XXXXXXXXXX | MULT | — | — |
| 670-783 | SAIPAN | 387C | 2013-01-31 | — |
| 670-785 | SAIPAN | 387C | 2010-07-02 | — |
| 670-788 | SAIPAN | 387C | — | — |
| 670-789 | SAIPAN | 387C | 2007-02-26 | — |
| 670-811 | XXXXXXXXXX | MULT | — | — |
| 670-838 | SAIPAN | 387C | 2004-08-25 | — |
| 670-848 | SAIPAN | 387C | 2008-10-10 | — |
| 670-858 | SAIPAN | 387C | 2008-10-10 | — |
| 670-868 | SAIPAN | 387C | 2003-03-10 | — |
| 670-878 | SAIPAN | 387C | 2005-01-13 | — |
| 670-888 | SAIPAN | 387C | 2002-07-30 | — |
| 670-898 | SAIPAN | 387C | 2004-08-24 | — |
| 670-911 | XXXXXXXXXX | MULT | — | — |
| 670-950 | — | — | ||
| 670-958 | — | — | ||
| 670-959 | — | — | ||
| 670-976 | — | — | ||
| 670-988 | — | — | ||
| 670-989 | SAIPAN | 4974 | 2005-04-05 | — |
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.