HD CARRIER LLC
2 prefixes in 235 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 235-204 | COLUMBIA | 321J | 2025-12-15 | Yes |
| 235-221 | JEFFERSNCY | 321J | 2026-03-27 | 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.