All assignees
113 prefixes in 534 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 534-794 | MOSINEE | 516J | 2022-01-11 | Yes |
| 534-800 | LAKEWOOD | 965H | 2021-01-11 | Yes |
| 534-811 | XXXXXXXXXX | MULT | — | — |
| 534-837 | CRANDON | 516J | 2022-01-11 | Yes |
| 534-888 | WAUPACA | 145J | 2019-01-14 | Yes |
| 534-900 | PICKEREL | 965H | 2020-08-20 | Yes |
| 534-901 | WAUSAU | 624H | 2021-11-24 | Yes |
| 534-911 | XXXXXXXXXX | MULT | — | — |
| 534-950 | — | — | ||
| 534-958 | — | — | ||
| 534-959 | — | — | ||
| 534-976 | XXXXXXXXXX | MULT | — | — |
| 534-999 | STETSONVL | 965H | 2020-04-24 | 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.