NumberResearchRecent thousands-block assignments
12 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days — NPA 531
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-02-13 | 531-306-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MURRAY | NE |
| 2024-02-13 | 531-331-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MARTELL | NE |
| 2024-02-13 | 531-332-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OSCEOLA | NE |
| 2024-02-13 | 531-334-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | OHIOWA | NE |
| 2024-02-13 | 531-342-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ONG | NE |
| 2024-02-13 | 531-358-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | LOUISVILLE | NE |
| 2024-02-13 | 531-441-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MEAD | NE |
| 2024-02-13 | 531-535-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | KENESAW | NE |
| 2024-02-12 | 531-245-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HARVARD | NE |
| 2024-02-12 | 531-264-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | FIRTH | NE |
| 2024-02-12 | 531-305-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HICKMAN | NE |
| 2024-02-12 | 531-317-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | HALLAM | NE |
| 2024-02-12 | 531-320-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GRAFTON | NE |
| 2024-02-12 | 531-323-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | JULIAN | NE |
| 2024-02-12 | 531-533-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GUIDE ROCK | NE |
| 2024-02-08 | 531-251-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DAWSON | NE |
| 2024-02-08 | 531-273-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DE WITT | NE |
| 2024-02-08 | 531-298-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DORCHESTER | NE |
| 2024-02-08 | 531-309-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | EDGAR | NE |
| 2024-02-08 | 531-319-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DAVENPORT | NE |
| 2024-02-08 | 531-328-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | FAIRBURY | NE |
| 2024-02-08 | 531-338-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DAVID CITY | NE |
| 2024-02-08 | 531-521-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DAVEY | NE |
| 2024-02-08 | 531-534-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DEWEESE | NE |
| 2024-02-08 | 531-551-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | DUNBAR | NE |
| 2024-02-07 | 531-358-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | LOUISVILLE | NE |
| 2024-02-06 | 531-240-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ASHLAND | NE |
| 2024-02-06 | 531-287-1XXX | 1000–1999 | Assigned | ONVOY SPECTRUM, LLC | 624H | AUBURN | NE |
| 2024-02-06 | 531-291-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CRETE | NE |
| 2024-02-06 | 531-296-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CEDAR BLF | NE |
| 2024-02-06 | 531-321-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ADAMS | NE |
| 2024-02-06 | 531-322-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CERESCO | NE |
| 2024-02-06 | 531-336-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BENNET | NE |
| 2024-02-06 | 531-339-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | AVOCA | NE |
| 2024-02-06 | 531-341-0XXX | 0000–0999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CARLETON | NE |
| 2024-02-06 | 531-349-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NE | 549E | SOSIOUX CY | NE |
| 2024-02-05 | 531-269-2XXX | 2000–2999 | Assigned | ONVOY, LLC - NE | 549E | NORFOLK | NE |
| 2024-02-05 | 531-269-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NE | 549E | NORFOLK | NE |
| 2024-02-05 | 531-348-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NE | 549E | COLUMBUS | NE |
| 2024-02-05 | 531-348-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NE | 549E | COLUMBUS | NE |
| 2024-01-24 | 531-352-4XXX | 4000–4999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-352-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-352-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-354-3XXX | 3000–3999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-354-5XXX | 5000–5999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-354-6XXX | 6000–6999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-24 | 531-354-8XXX | 8000–8999 | Assigned | ONVOY, LLC - NE | 549E | OMAHA | NE |
| 2024-01-17 | 531-202-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | OAKLAND | NE |
| 2024-01-17 | 531-237-9XXX | 9000–9999 | Assigned | COMMIO, LLC | 939H | PENDER | NE |
| 2024-01-17 | 531-252-2XXX | 2000–2999 | Assigned | COMMIO, LLC | 939H | CRESTON | NE |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.