ALLO COMMUNICATIONS LLC
9 prefixes in 531 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 531-254 | LINCOLN | 907K | 2021-03-05 | Yes |
| 531-257 | VALENTINE | 907K | 2021-03-08 | Yes |
| 531-276 | MILFORD | 907K | 2022-03-08 | Yes |
| 531-359 | OMAHA | 907K | 2024-02-14 | Yes |
| 531-370 | FREMONT | 907K | 2024-09-03 | Yes |
| 531-500 | LINCOLN | 907K | 2016-04-12 | Yes |
| 531-600 | OMAHA | 907K | 2015-03-10 | Yes |
| 531-795 | LINCOLN | 907K | 2025-09-03 | Yes |
| 531-985 | OMAHA | 907K | 2025-09-03 | 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.