NumberResearchRecent thousands-block assignments
11 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 401
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 |
|---|---|---|---|---|---|---|---|
| 2015-09-28 | 401-217-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | WGLOCESTER | RI |
| 2015-09-28 | 401-227-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | SCITUATE | RI |
| 2015-09-28 | 401-246-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | WARREN | RI |
| 2015-09-28 | 401-264-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | PORTSMOUTH | RI |
| 2015-09-28 | 401-281-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | LTLCOMPTON | RI |
| 2015-09-28 | 401-307-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | TIVERTON | RI |
| 2015-09-28 | 401-315-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | WESTERLY | RI |
| 2015-09-28 | 401-321-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | HOPEVALLEY | RI |
| 2015-09-28 | 401-356-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | WOONSOCKET | RI |
| 2015-09-28 | 401-360-9XXX | 9000–9999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | NARRAGNSTT | RI |
| 2015-09-28 | 401-371-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | PASCOAG | RI |
| 2015-09-28 | 401-402-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | GREENWICH | RI |
| 2015-09-28 | 401-560-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | JAMESTOWN | RI |
| 2015-09-28 | 401-658-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | CUMBLND HL | RI |
| 2015-09-28 | 401-859-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | BLOCK IS | RI |
| 2015-09-24 | 401-257-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-09-24 | 401-405-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-09-24 | 401-662-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | NEWPORT | RI |
| 2015-09-24 | 401-753-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PAWTUCKET | RI |
| 2015-09-22 | 401-324-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | NEWPORT | RI |
| 2015-09-17 | 401-636-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WOONSOCKET | RI |
| 2015-09-17 | 401-710-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PASCOAG | RI |
| 2015-09-16 | 401-470-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | PROVIDENCE | RI |
| 2015-09-10 | 401-424-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRISTOL | RI |
| 2015-09-04 | 401-300-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7351 | CENTREDALE | RI |
| 2015-09-01 | 401-234-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | GREENWICH | RI |
| 2015-08-19 | 401-302-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2015-08-17 | 401-218-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NARRAGNSTT | RI |
| 2015-07-23 | 401-340-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | PROVIDENCE | RI |
| 2015-07-23 | 401-406-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | PROVIDENCE | RI |
| 2015-07-15 | 401-428-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PAWTUCKET | RI |
| 2015-07-15 | 401-428-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | PAWTUCKET | RI |
| 2015-07-06 | 401-344-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | NEWPORT | RI |
| 2015-06-30 | 401-560-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | JAMESTOWN | RI |
| 2015-06-23 | 401-660-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-06-23 | 401-660-4XXX | 4000–4999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-06-23 | 401-660-5XXX | 5000–5999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-06-23 | 401-999-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2015-06-10 | 401-889-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WARWICK | RI |
| 2015-06-05 | 401-298-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | WARWICK | RI |
| 2015-06-05 | 401-495-7XXX | 7000–7999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | PAWTUCKET | RI |
| 2015-05-28 | 401-307-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | TIVERTON | RI |
| 2015-05-28 | 401-371-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | PASCOAG | RI |
| 2015-05-28 | 401-423-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | JAMESTOWN | RI |
| 2015-05-22 | 401-262-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | W WARWICK | RI |
| 2015-05-08 | 401-250-8XXX | 8000–8999 | Assigned | PEERLESS NETWORK OF RHODE ISLAND, LLC - RI | 631G | W WARWICK | RI |
| 2015-05-05 | 401-281-5XXX | 5000–5999 | Assigned | ONVOY, LLC - RI | 977E | LTLCOMPTON | RI |
| 2015-05-05 | 401-281-6XXX | 6000–6999 | Assigned | ONVOY, LLC - RI | 977E | LTLCOMPTON | RI |
| 2015-05-05 | 401-281-7XXX | 7000–7999 | Assigned | ONVOY, LLC - RI | 977E | LTLCOMPTON | RI |
| 2015-04-29 | 401-213-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | CAROLINA | RI |
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.