NumberResearchRecent thousands-block assignments
9 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 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 |
|---|---|---|---|---|---|---|---|
| 2008-02-06 | 603-913-9XXX | 9000–9999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | MERRIMACK | NH |
| 2008-01-28 | 603-707-9XXX | 9000–9999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | MEREDITH | NH |
| 2008-01-28 | 603-991-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LITTLETON | NH |
| 2008-01-23 | 603-960-0XXX | 0000–0999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | CAMPTON | NH |
| 2008-01-15 | 603-489-7XXX | 7000–7999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | HAMPSTEAD | NH |
| 2008-01-10 | 603-319-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | PORTSMOUTH | NH |
| 2008-01-09 | 603-294-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PORTSMOUTH | NH |
| 2008-01-07 | 603-275-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DERRY | NH |
| 2008-01-07 | 603-953-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DOVER | NH |
| 2007-12-27 | 603-247-7XXX | 7000–7999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | DERRY | NH |
| 2007-12-27 | 603-581-5XXX | 5000–5999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LACONIA | NH |
| 2007-12-26 | 603-276-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | W LEBANON | NH |
| 2007-12-14 | 603-489-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | 7778 | HAMPSTEAD | NH |
| 2007-12-11 | 603-343-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DOVER | NH |
| 2007-12-11 | 603-343-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | DOVER | NH |
| 2007-12-11 | 603-809-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASHUA | NH |
| 2007-12-11 | 603-809-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASHUA | NH |
| 2007-12-07 | 603-815-0XXX | 0000–0999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - NH | 8299 | DURHAM | NH |
| 2007-11-29 | 603-488-6XXX | 6000–6999 | Assigned | FREEDOM RING COMMUNICATIONS, LLC | 8468 | BEDFORD | NH |
| 2007-11-29 | 603-501-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | PORTSMOUTH | NH |
| 2007-11-29 | 603-581-4XXX | 4000–4999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LACONIA | NH |
| 2007-11-21 | 603-809-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | NASHUA | NH |
| 2007-11-19 | 603-513-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CONCORD | NH |
| 2007-11-19 | 603-715-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CONCORD | NH |
| 2007-11-15 | 603-903-3XXX | 3000–3999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | KEENE | NH |
| 2007-11-08 | 603-374-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | BARTLETT | NH |
| 2007-11-08 | 603-831-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | GREENFIELD | NH |
| 2007-11-02 | 603-793-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | EXETER | NH |
| 2007-10-25 | 603-703-9XXX | 9000–9999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | MANCHESTER | NH |
| 2007-10-25 | 603-727-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LEBANON | NH |
| 2007-10-25 | 603-831-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | GREENFIELD | NH |
| 2007-10-25 | 603-833-5XXX | 5000–5999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | ROCHESTER | NH |
| 2007-10-18 | 603-693-2XXX | 2000–2999 | Assigned | FREEDOM RING COMMUNICATIONS, LLC | 8468 | EPPING | NH |
| 2007-10-05 | 603-342-9XXX | 9000–9999 | Assigned | UNITED STATES CELLULAR - NH | 6290 | BERLIN | NH |
| 2007-10-02 | 603-326-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | BERLIN | NH |
| 2007-10-01 | 603-762-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | KEENE | NH |
| 2007-09-27 | 603-233-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASHUA | NH |
| 2007-09-27 | 603-320-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASHUA | NH |
| 2007-09-04 | 603-425-8XXX | 8000–8999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | DERRY | NH |
| 2007-08-30 | 603-991-8XXX | 8000–8999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | LITTLETON | NH |
| 2007-08-29 | 603-291-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | GREENVILLE | NH |
| 2007-08-22 | 603-706-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - NH | 996E | RAYMOND | NH |
| 2007-08-14 | 603-264-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | MANCHESTER | NH |
| 2007-08-06 | 603-707-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | MEREDITH | NH |
| 2007-08-06 | 603-953-6XXX | 6000–6999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | DOVER | NH |
| 2007-08-03 | 603-945-0XXX | 0000–0999 | Assigned | ONVOY, LLC - NH | 637E | MANCHESTER | NH |
| 2007-07-16 | 603-339-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DERRY | NH |
| 2007-07-16 | 603-339-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | DERRY | NH |
| 2007-07-11 | 603-589-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | NASHUA | NH |
| 2007-07-06 | 603-545-2XXX | 2000–2999 | Assigned | BELL ATLANTIC MOBILE, INC | 6386 | CONCORD | NH |
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.