YORKSTREAM COMMUNICATIONS LLC
2 prefixes in 363 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 363-300 | NASSAUZN04 | 977K | 2024-10-24 | Yes |
| 363-666 | NASSAUZN09 | 977K | 2024-11-12 | 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.