NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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 336
SUNCOM DBA T-MOBILE USA 441
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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2024-07-31 336-849-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 YADKINVL NC
2024-03-06 336-910-0XXX 0000–0999Assigned SUNCOM DBA T-MOBILE USA 8645 ELKIN NC
2023-03-23 336-677-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 YADKINVL NC
2023-03-23 336-677-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 YADKINVL NC
2023-03-07 336-477-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 MOCKSVILLE NC
2022-04-20 336-943-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2022-02-25 336-818-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2022-02-25 336-903-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2022-02-25 336-990-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2022-02-25 336-990-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2021-12-14 336-844-3XXX 3000–3999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2021-12-14 336-844-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2021-09-23 336-750-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2021-09-23 336-764-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2021-09-23 336-775-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2021-09-23 336-779-2XXX 2000–2999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2021-08-26 336-437-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2020-11-23 336-566-0XXX 0000–0999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2020-10-15 336-566-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2016-12-14 336-539-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2016-04-18 336-989-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2015-11-12 336-955-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-11-06 336-567-1XXX 1000–1999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2015-11-06 336-865-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-10-30 336-781-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2015-10-30 336-781-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2015-08-21 336-844-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2015-06-23 336-744-4XXX 4000–4999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-06-23 336-744-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-06-23 336-842-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-06-23 336-970-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2015-02-19 336-523-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 ASHEBORO NC
2015-02-19 336-523-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 ASHEBORO NC
2015-02-19 336-523-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 ASHEBORO NC
2015-02-19 336-523-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 ASHEBORO NC
2014-12-05 336-585-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2014-11-25 336-803-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2014-11-25 336-803-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 HIGH POINT NC
2014-09-15 336-844-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 NOWILKESBO NC
2014-08-21 336-417-4XXX 4000–4999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2014-08-21 336-417-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 BURLINGTON NC
2014-07-16 336-938-4XXX 4000–4999Assigned SUNCOM DBA T-MOBILE USA 8645 GREENSBORO NC
2014-07-16 336-938-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 GREENSBORO NC
2014-07-16 336-938-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 GREENSBORO NC
2014-03-11 336-582-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2014-03-11 336-582-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2014-03-11 336-934-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2014-03-11 336-934-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 WINSTN SAL NC
2014-03-04 336-521-2XXX 2000–2999Assigned SUNCOM DBA T-MOBILE USA 8645 ASHEBORO NC
2014-03-04 336-521-3XXX 3000–3999Assigned 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.