NumberResearchRecent thousands-block assignments
9 blocks assigned in the last 30 days · 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, last 30 days — NPA 603
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 |
|---|---|---|---|---|---|---|---|
| 2025-06-17 | 603-469-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MERIDEN | NH |
| 2025-06-17 | 603-544-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MELVIN VLG | NH |
| 2025-06-17 | 603-776-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BARNSTEAD | NH |
| 2025-06-17 | 603-796-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BOSCAWEN | NH |
| 2025-06-17 | 603-798-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CHICHESTER | NH |
| 2025-06-17 | 603-808-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ANTRIM | NH |
| 2025-06-17 | 603-855-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ALTON | NH |
| 2025-06-17 | 603-859-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEW DURHAM | NH |
| 2025-06-17 | 603-877-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NEW LONDON | NH |
| 2025-06-17 | 603-927-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SUTTON | NH |
| 2025-06-17 | 603-938-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BRADFORD | NH |
| 2025-06-11 | 603-839-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | FARMINGTON | NH |
| 2025-05-29 | 603-884-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASHUA | NH |
| 2025-05-21 | 603-287-2XXX | 2000–2999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CLAREMONT | NH |
| 2025-05-21 | 603-408-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BERLIN | NH |
| 2025-05-21 | 603-794-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LACONIA | NH |
| 2025-05-01 | 603-304-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | ENFIELD | NH |
| 2025-04-17 | 603-202-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | CONCORD | NH |
| 2025-04-17 | 603-395-4XXX | 4000–4999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | EXETER | NH |
| 2025-04-16 | 603-265-5XXX | 5000–5999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | NEW BOSTON | NH |
| 2025-04-11 | 603-546-3XXX | 3000–3999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NASHUA | NH |
| 2025-04-11 | 603-571-9XXX | 9000–9999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | DERRY | NH |
| 2025-04-11 | 603-974-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | PLAISTOW | NH |
| 2025-04-04 | 603-304-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | ENFIELD | NH |
| 2025-04-04 | 603-754-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LANCASTER | NH |
| 2025-04-04 | 603-857-8XXX | 8000–8999 | Assigned | LEAP TELECOM, LLC | 616J | SUNCOOK | NH |
| 2025-04-04 | 603-901-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CONWAY | NH |
| 2025-04-02 | 603-869-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | BETHLEHEM | NH |
| 2025-04-01 | 603-416-7XXX | 7000–7999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | RAYMOND | NH |
| 2025-04-01 | 603-732-5XXX | 5000–5999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | MILFORD | NH |
| 2025-04-01 | 603-794-8XXX | 8000–8999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LACONIA | NH |
| 2025-03-19 | 603-563-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | DUBLIN | NH |
| 2025-03-17 | 603-426-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | DERRY | NH |
| 2025-03-13 | 603-282-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | CANAAN | NH |
| 2025-03-13 | 603-408-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | BERLIN | NH |
| 2025-03-13 | 603-736-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | EPSOM | NH |
| 2025-03-13 | 603-784-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | PETERBROGH | NH |
| 2025-03-13 | 603-788-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | LANCASTER | NH |
| 2025-03-13 | 603-790-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | W LEBANON | NH |
| 2025-03-10 | 603-426-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DERRY | NH |
| 2025-03-10 | 603-910-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HAMPTON | NH |
| 2025-03-10 | 603-992-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DANBURY | NH |
| 2025-02-21 | 603-884-2XXX | 2000–2999 | Assigned | NUSO, LLC | 732J | NASHUA | NH |
| 2025-02-17 | 603-408-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | BERLIN | NH |
| 2025-02-17 | 603-414-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | SUNAPEE | NH |
| 2025-02-17 | 603-567-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PETERBROGH | NH |
| 2025-02-17 | 603-575-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | LITTLETON | NH |
| 2025-02-17 | 603-690-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CLAREMONT | NH |
| 2025-02-17 | 603-739-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | NOWOODSTOK | NH |
| 2025-02-10 | 603-453-5XXX | 5000–5999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | HAMPSTEAD | NH |
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.