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 |
|---|---|---|---|---|---|---|---|
| 2006-02-15 | 401-863-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2006-02-06 | 401-691-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | WARWICK | RI |
| 2006-01-12 | 401-375-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | TIVERTON | RI |
| 2006-01-06 | 401-248-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-06 | 401-248-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-06 | 401-305-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | PAWTUCKET | RI |
| 2006-01-06 | 401-429-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-06 | 401-429-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-06 | 401-450-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-06 | 401-528-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2006-01-05 | 401-588-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2006-01-05 | 401-588-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2006-01-05 | 401-865-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2006-01-05 | 401-865-9XXX | 9000–9999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-12-28 | 401-598-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-12-28 | 401-655-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | BRISTOL | RI |
| 2005-12-28 | 401-744-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2005-12-27 | 401-365-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | PAWTUCKET | RI |
| 2005-12-13 | 401-431-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-12-13 | 401-458-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-12-13 | 401-464-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-12-08 | 401-213-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | CAROLINA | RI |
| 2005-12-08 | 401-227-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | SCITUATE | RI |
| 2005-12-08 | 401-257-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | CUMBLND HL | RI |
| 2005-12-08 | 401-396-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | BRISTOL | RI |
| 2005-12-08 | 401-491-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | HOPEVALLEY | RI |
| 2005-12-08 | 401-491-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | HOPEVALLEY | RI |
| 2005-12-08 | 401-623-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | COVENTRY | RI |
| 2005-12-08 | 401-859-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | BLOCK IS | RI |
| 2005-12-07 | 401-217-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | WGLOCESTER | RI |
| 2005-12-07 | 401-372-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | NO KINGSTN | RI |
| 2005-12-07 | 401-515-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | NARRAGNSTT | RI |
| 2005-12-07 | 401-592-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | LTLCOMPTON | RI |
| 2005-12-07 | 401-682-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - RI | 4016 | PORTSMOUTH | RI |
| 2005-11-17 | 401-854-6XXX | 6000–6999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-11-17 | 401-854-8XXX | 8000–8999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-11-03 | 401-464-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-11-03 | 401-464-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-10-18 | 401-450-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-10-18 | 401-450-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-10-18 | 401-450-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-10-18 | 401-450-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-10-17 | 401-228-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | PROVIDENCE | RI |
| 2005-10-17 | 401-228-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | PROVIDENCE | RI |
| 2005-10-14 | 401-921-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WARWICK | RI |
| 2005-10-11 | 401-867-0XXX | 0000–0999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-09-26 | 401-450-7XXX | 7000–7999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | PROVIDENCE | RI |
| 2005-09-19 | 401-793-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-09-19 | 401-793-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2005-09-19 | 401-793-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | 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.