NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

21 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, last 30 days — NPA 580
ONVOY, LLC - OK 11
NEW CINGULAR WIRELESS PCS, LLC - IL 7
TELNYX LLC 1
T-MOBILE USA, INC. 1
OPENTACT INC. 1
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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2025-03-21 580-843-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 MARTHA OK
2025-03-21 580-969-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 HUGO OK
2025-03-20 580-264-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 HEALDTON OK
2025-03-20 580-608-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 KINGSTON OK
2025-03-20 580-900-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J TUPELO OK
2025-03-11 580-499-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J MANGUM OK
2025-03-10 580-445-2XXX 2000–2999Assigned TERRA NOVA TELECOM INC. 145J CLINTON OK
2025-03-07 580-359-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ARDMORE OK
2025-02-26 580-682-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOBART OK
2025-02-18 580-214-2XXX 2000–2999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-3XXX 3000–3999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-4XXX 4000–4999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-6XXX 6000–6999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-7XXX 7000–7999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-8XXX 8000–8999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-214-9XXX 9000–9999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-275-5XXX 5000–5999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-275-6XXX 6000–6999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-275-7XXX 7000–7999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-383-0XXX 0000–0999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-383-1XXX 1000–1999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-383-7XXX 7000–7999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-383-8XXX 8000–8999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-383-9XXX 9000–9999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-547-3XXX 3000–3999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-547-7XXX 7000–7999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-547-8XXX 8000–8999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-715-6XXX 6000–6999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-18 580-715-7XXX 7000–7999Assigned UNITED STATES CELLULAR - OK 6272 CLINTON OK
2025-02-05 580-509-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F ATOKA OK
2025-01-30 580-405-9XXX 9000–9999Assigned PEERLESS NETWORK OF OKLAHOMA, LLC - OK 384H ALLEN OK
2025-01-30 580-566-3XXX 3000–3999Assigned PEERLESS NETWORK OF OKLAHOMA, LLC - OK 384H BOSWELL OK
2025-01-24 580-601-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H BATTIEST OK
2025-01-15 580-366-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J ENID OK
2025-01-15 580-665-4XXX 4000–4999Assigned TERRA NOVA TELECOM INC. 145J ADA OK
2025-01-14 580-775-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J DURANT OK
2025-01-10 580-381-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-381-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-10 580-590-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOLLIS OK
2025-01-08 580-452-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H BUTLER OK
2025-01-08 580-506-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H CACHE OK
2025-01-08 580-573-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H CONNERVL OK
2025-01-08 580-575-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H ELDORADO OK

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.