All assignees
410 prefixes in 731 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 731-982 | SELMER | 516C | 2010-01-06 | Yes |
| 731-983 | HENDERSON | 9419 | — | — |
| 731-984 | JACKSON | 9419 | 2001-08-23 | — |
| 731-986 | HUNTINGDON | 9419 | — | — |
| 731-987 | CEDARGROVE | 9419 | — | — |
| 731-988 | JACKSON | 9419 | — | Yes |
| 731-989 | HENDERSON | 9419 | — | — |
| 731-991 | UNION CITY | 6214 | — | Yes |
| 731-995 | MILAN | 6214 | — | Yes |
| 731-999 | DECATURVL | 525E | 2025-07-01 | 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.