NumberResearchRecent thousands-block assignments
0 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, all time — NPA 743
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-12-09 | 743-343-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | LEWISVILLE | NC |
| 2025-11-28 | 743-259-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MOCKSVILLE | NC |
| 2025-11-28 | 743-285-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-10-16 | 743-240-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | STANLEYVL | NC |
| 2025-10-03 | 743-285-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-08-27 | 743-267-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-06-24 | 743-267-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-06-24 | 743-285-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-06-24 | 743-285-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2025-04-04 | 743-240-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | STANLEYVL | NC |
| 2024-03-06 | 743-275-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | THOMASVL | NC |
| 2024-03-06 | 743-347-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | THOMASVL | NC |
| 2024-03-06 | 743-762-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | KERNERSVL | NC |
| 2024-03-06 | 743-762-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | KERNERSVL | NC |
| 2024-02-23 | 743-218-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | GIBSONVL | NC |
| 2024-02-23 | 743-232-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | LEWISVILLE | NC |
| 2024-02-23 | 743-240-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | STANLEYVL | NC |
| 2024-02-23 | 743-240-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | STANLEYVL | NC |
| 2024-02-23 | 743-342-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WALKERTOWN | NC |
| 2024-02-23 | 743-767-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | GIBSONVL | NC |
| 2024-01-23 | 743-268-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | EDEN | NC |
| 2023-10-11 | 743-259-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MOCKSVILLE | NC |
| 2023-10-11 | 743-259-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MOCKSVILLE | NC |
| 2023-05-10 | 743-259-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MOCKSVILLE | NC |
| 2023-01-04 | 743-337-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2023-01-04 | 743-337-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2023-01-04 | 743-557-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | JULIAN | NC |
| 2023-01-04 | 743-557-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | JULIAN | NC |
| 2022-01-18 | 743-255-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-18 | 743-255-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-18 | 743-255-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-207-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-207-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-207-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-207-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-207-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-374-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-374-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-374-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2022-01-14 | 743-374-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | WINSTN SAL | NC |
| 2021-12-14 | 743-201-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-12-14 | 743-201-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-12-14 | 743-837-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-12-14 | 743-837-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-12-14 | 743-837-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-12-14 | 743-837-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | HIGH POINT | NC |
| 2021-11-17 | 743-238-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2021-11-17 | 743-238-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2021-11-17 | 743-238-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
| 2021-11-17 | 743-238-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ASHEBORO | NC |
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.