All assignees
127 prefixes in 341 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 341-666 | OKLD TRNID | 965H | 2019-12-30 | Yes |
| 341-667 | OKLD FRTVL | 965H | 2021-07-07 | Yes |
| 341-688 | OKLD BKLY | 516J | 2022-02-18 | Yes |
| 341-699 | OKLD MN-PD | 965H | 2021-09-16 | Yes |
| 341-700 | — | — | ||
| 341-711 | MULT | — | — | |
| 341-732 | ELSBR-PINL | 965H | 2021-07-07 | Yes |
| 341-758 | OKLD FRTVL | 965H | 2021-04-18 | Yes |
| 341-766 | OKLD BKLY | 965H | 2020-05-28 | Yes |
| 341-777 | HAYWARD | 252F | 2019-05-31 | Yes |
| 341-786 | FRNK MAIN | 965H | 2022-02-22 | Yes |
| 341-799 | RICHMOND | 965H | 2020-05-27 | Yes |
| 341-800 | HAYWARD | 965H | 2019-12-03 | Yes |
| 341-811 | MULT | — | — | |
| 341-837 | ELSBR-PINL | 516J | 2022-01-10 | Yes |
| 341-867 | CROCKETT | 649C | 2025-09-11 | Yes |
| 341-888 | FRNK MAIN | 252F | 2019-06-07 | Yes |
| 341-895 | OKLD ALMD | 649C | — | Yes |
| 341-899 | OKLD TRNID | 965H | 2021-09-15 | Yes |
| 341-900 | CROCKETT | 965H | 2020-11-13 | Yes |
| 341-911 | MULT | — | — | |
| 341-946 | OKLD BKLY | 965H | 2021-02-22 | Yes |
| 341-950 | — | — | ||
| 341-958 | — | — | ||
| 341-959 | — | — | ||
| 341-976 | — | — | ||
| 341-999 | RICHMOND | 965H | 2019-07-22 | 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.