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 |
|---|---|---|---|---|---|---|---|
| 2010-01-29 | 401-239-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | NEWPORT | RI |
| 2010-01-29 | 401-297-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | BRISTOL | RI |
| 2010-01-29 | 401-300-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | CENTREDALE | RI |
| 2010-01-29 | 401-308-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | NARRAGNSTT | RI |
| 2010-01-29 | 401-326-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | WESTERLY | RI |
| 2010-01-29 | 401-372-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | NO KINGSTN | RI |
| 2010-01-29 | 401-385-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | COVENTRY | RI |
| 2010-01-29 | 401-647-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - RI | 003F | SCITUATE | RI |
| 2010-01-07 | 401-871-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-10-30 | 401-363-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NARRAGNSTT | RI |
| 2009-10-19 | 401-337-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WARREN | RI |
| 2009-10-02 | 401-871-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-09-02 | 401-585-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-09-02 | 401-585-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-08-11 | 401-336-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | GREENWICH | RI |
| 2009-08-04 | 401-585-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-07-08 | 401-773-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | WARWICK | RI |
| 2009-07-08 | 401-871-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-07-02 | 401-585-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-07-02 | 401-585-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI | 6389 | PROVIDENCE | RI |
| 2009-05-15 | 401-347-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-347-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-390-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-390-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-390-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-516-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-545-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-585-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-585-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-585-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-585-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-649-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-649-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-05-15 | 401-649-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | PROVIDENCE | RI |
| 2009-04-20 | 401-471-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | GREENWICH | RI |
| 2009-04-14 | 401-692-3XXX | 3000–3999 | Assigned | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CUMBLND HL | RI |
| 2009-04-10 | 401-548-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | PAWTUCKET | RI |
| 2009-03-25 | 401-405-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | CUMBLND HL | RI |
| 2009-02-03 | 401-825-6XXX | 6000–6999 | Assigned | COMCAST IP PHONE, LLC | 318J | W WARWICK | RI |
| 2009-01-30 | 401-390-2XXX | 2000–2999 | Assigned | YMAX COMMUNICATIONS CORP. - RI | 363E | PROVIDENCE | RI |
| 2009-01-30 | 401-390-3XXX | 3000–3999 | Assigned | YMAX COMMUNICATIONS CORP. - RI | 363E | PROVIDENCE | RI |
| 2009-01-30 | 401-415-5XXX | 5000–5999 | Assigned | YMAX COMMUNICATIONS CORP. - RI | 363E | 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.