NumberResearchRecent thousands-block assignments
25 blocks assigned in February 2026 · from the daily NANPA thousands-block report, 09/19/2026
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, February 2026 — NPA 531
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-02-27 | 531-434-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-27 | 531-434-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-27 | 531-434-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-27 | 531-434-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-27 | 531-434-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-27 | 531-434-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE | 5807 | OMAHA | NE |
| 2026-02-17 | 531-430-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-430-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-432-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-432-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-432-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-432-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-432-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-433-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-17 | 531-434-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OMAHA | NE |
| 2026-02-05 | 531-313-5XXX | 5000–5999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | HASTINGS | NE |
| 2026-02-05 | 531-392-8XXX | 8000–8999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | WEST POINT | NE |
| 2026-02-05 | 531-435-9XXX | 9000–9999 | Assigned | AERIAL COMMUNICATIONS, INC. | 6701 | HOWELLS | NE |
| 2026-02-04 | 531-362-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BEATRICE | NE |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.