NumberResearchRecent thousands-block assignments
43 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 571
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 |
|---|---|---|---|---|---|---|---|
| 2003-07-23 | 571-722-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | WSNGTNZN17 | VA |
| 2003-07-23 | 571-722-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | WSNGTNZN17 | VA |
| 2003-07-23 | 571-722-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | WSNGTNZN17 | VA |
| 2003-07-14 | 571-643-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | HERNDON | VA |
| 2003-07-11 | 571-224-6XXX | 6000–6999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-07-11 | 571-224-7XXX | 7000–7999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-07-11 | 571-224-8XXX | 8000–8999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-06-27 | 571-921-0XXX | 0000–0999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2003-06-27 | 571-921-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2003-06-27 | 571-921-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2003-06-27 | 571-921-6XXX | 6000–6999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2003-06-27 | 571-921-7XXX | 7000–7999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | MANASSAS | VA |
| 2003-06-10 | 571-224-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-05-27 | 571-261-4XXX | 4000–4999 | Assigned | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | HAYMARKET | VA |
| 2003-05-27 | 571-261-5XXX | 5000–5999 | Assigned | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | HAYMARKET | VA |
| 2003-05-22 | 571-265-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN17 | VA |
| 2003-05-22 | 571-265-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN17 | VA |
| 2003-05-22 | 571-265-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN17 | VA |
| 2003-05-05 | 571-224-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-05-05 | 571-224-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-05-05 | 571-224-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-24 | 571-246-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | LEESBURG | VA |
| 2003-04-24 | 571-722-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN17 | VA |
| 2003-04-22 | 571-280-0XXX | 0000–0999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-1XXX | 1000–1999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-2XXX | 2000–2999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-3XXX | 3000–3999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-4XXX | 4000–4999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-5XXX | 5000–5999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-6XXX | 6000–6999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-7XXX | 7000–7999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-8XXX | 8000–8999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-22 | 571-280-9XXX | 9000–9999 | Assigned | VERIZON VIRGINIA, INC. | 9213 | WSNGTNZN19 | VA |
| 2003-04-17 | 571-232-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2003-04-17 | 571-232-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2003-04-17 | 571-232-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2003-04-17 | 571-232-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2003-04-17 | 571-232-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN08 | VA |
| 2003-04-16 | 571-435-2XXX | 2000–2999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-16 | 571-435-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-16 | 571-435-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-16 | 571-435-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-16 | 571-435-6XXX | 6000–6999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-04-16 | 571-435-7XXX | 7000–7999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-03-24 | 571-435-0XXX | 0000–0999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-03-24 | 571-435-1XXX | 1000–1999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-03-24 | 571-723-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2003-03-18 | 571-641-0XXX | 0000–0999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN17 | VA |
| 2003-03-18 | 571-641-1XXX | 1000–1999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN17 | VA |
| 2003-03-18 | 571-641-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN17 | VA |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.