NumberResearchRecent thousands-block assignments
3 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 631
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 |
|---|---|---|---|---|---|---|---|
| 2009-02-27 | 631-223-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | HUNTINGTON | NY |
| 2009-02-27 | 631-316-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | BRENTWOOD | NY |
| 2009-02-27 | 631-320-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | SELDEN | NY |
| 2009-02-27 | 631-392-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | DEER PARK | NY |
| 2009-02-27 | 631-403-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | PTJEFFERSN | NY |
| 2009-02-27 | 631-517-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | BABYLON | NY |
| 2009-02-27 | 631-627-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | PATCHOGUE | NY |
| 2009-02-27 | 631-647-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | BAY SHORE | NY |
| 2009-02-27 | 631-772-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | ATLANTIC | NY |
| 2009-02-27 | 631-780-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | SMITHTOWN | NY |
| 2009-02-27 | 631-867-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | LINDENHST | NY |
| 2009-02-27 | 631-913-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | RONKONKOMA | NY |
| 2009-02-17 | 631-579-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2009-02-10 | 631-533-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | CENTRAISLP | NY |
| 2009-02-10 | 631-533-8XXX | 8000–8999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | CENTRAISLP | NY |
| 2009-02-05 | 631-687-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PATCHOGUE | NY |
| 2009-01-30 | 631-410-4XXX | 4000–4999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | COMMACK | NY |
| 2009-01-30 | 631-520-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | AMITYVILLE | NY |
| 2009-01-29 | 631-639-2XXX | 2000–2999 | Assigned | TC SYSTEMS, INC. - NY | 7140 | BRENTWOOD | NY |
| 2009-01-23 | 631-579-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2009-01-23 | 631-579-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2009-01-20 | 631-578-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | YAPHANK | NY |
| 2009-01-15 | 631-627-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PATCHOGUE | NY |
| 2009-01-09 | 631-412-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | LINDENHST | NY |
| 2009-01-09 | 631-599-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | RIVERHEAD | NY |
| 2009-01-09 | 631-894-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | BAY SHORE | NY |
| 2009-01-09 | 631-913-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | RONKONKOMA | NY |
| 2009-01-08 | 631-649-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BABYLON | NY |
| 2009-01-08 | 631-983-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BABYLON | NY |
| 2009-01-08 | 631-983-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BABYLON | NY |
| 2008-12-28 | 631-237-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | BRIDGEMPTN | NY |
| 2008-12-08 | 631-609-2XXX | 2000–2999 | Assigned | VERIZON NEW YORK, INC. | 9104 | BRENTWOOD | NY |
| 2008-11-14 | 631-579-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2008-11-13 | 631-259-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SOUTHAMPTN | NY |
| 2008-11-11 | 631-365-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BRENTWOOD | NY |
| 2008-11-04 | 631-649-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BABYLON | NY |
| 2008-11-04 | 631-649-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | BABYLON | NY |
| 2008-10-24 | 631-722-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | JAMESPORT | NY |
| 2008-10-24 | 631-729-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | ATLANTIC | NY |
| 2008-10-14 | 631-609-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-08 | 631-328-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | BAY SHORE | NY |
| 2008-10-08 | 631-824-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - NY | 282E | HUNTINGTON | NY |
| 2008-10-01 | 631-575-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-01 | 631-575-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-01 | 631-575-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-01 | 631-575-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-01 | 631-575-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | BRENTWOOD | NY |
| 2008-10-01 | 631-953-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RIVERHEAD | NY |
| 2008-09-30 | 631-935-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HUNTINGTON | NY |
| 2008-09-25 | 631-569-6XXX | 6000–6999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | PATCHOGUE | NY |
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.