NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

14 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 810
NEW CINGULAR WIRELESS PCS, LLC - IL 13
EXIANT COMMUNICATIONS LLC 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2016-02-19 810-212-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E METAMORA MI
2016-02-19 810-369-5XXX 5000–5999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E GOODRICH MI
2016-02-12 810-201-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C PT SANILAC MI
2016-02-12 810-270-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C NORTH BRCH MI
2016-02-12 810-270-6XXX 6000–6999Assigned ONVOY, LLCV - MI 543C NORTH BRCH MI
2016-02-12 810-310-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C CAPAC MI
2016-02-12 810-310-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C CAPAC MI
2016-02-12 810-425-1XXX 1000–1999Assigned ONVOY, LLCV - MI 543C PT SANILAC MI
2016-02-12 810-510-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C COLUMBIAVL MI
2016-02-12 810-510-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C COLUMBIAVL MI
2016-02-12 810-881-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C PECK MI
2016-02-12 810-881-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C PECK MI
2016-02-08 810-775-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRIGHTON MI
2016-02-08 810-852-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRIGHTON MI
2016-01-26 810-714-6XXX 6000–6999Assigned FIRST COMMUNICATIONS, LLC 460K FENTON MI
2016-01-20 810-270-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E NORTH BRCH MI
2016-01-08 810-375-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E DRYDEN MI
2016-01-08 810-597-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2016-01-08 810-775-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 BRIGHTON MI
2016-01-08 810-836-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2016-01-08 810-888-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E GOODELLS MI
2015-12-17 810-216-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C PORT HURON MI
2015-12-09 810-285-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C FLINT MI
2015-12-09 810-777-6XXX 6000–6999Assigned ONVOY, LLCV - MI 543C FLINT MI
2015-12-07 810-775-0XXX 0000–0999Assigned ONVOY, LLCV - MI 543C BRIGHTON MI
2015-12-07 810-775-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C BRIGHTON MI
2015-12-02 810-673-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C ALMONT MI
2015-12-02 810-775-1XXX 1000–1999Assigned ONVOY, LLCV - MI 543C BRIGHTON MI
2015-12-02 810-775-2XXX 2000–2999Assigned ONVOY, LLCV - MI 543C BRIGHTON MI
2015-10-22 810-777-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 FLINT MI
2015-10-16 810-366-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DECKERVL MI
2015-10-05 810-777-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-10-05 810-777-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-10-05 810-777-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-10-05 810-777-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-10-05 810-777-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-10-01 810-285-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J FLINT MI
2015-09-30 810-671-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ALGONAC MI
2015-09-23 810-498-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G GRANDBLANC MI
2015-09-18 810-255-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E HADLEY MI
2015-09-10 810-442-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C DECKERVL MI
2015-09-10 810-505-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C DECKERVL MI
2015-09-10 810-888-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C GOODELLS MI
2015-09-10 810-888-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C GOODELLS MI
2015-08-13 810-777-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C FLINT MI
2015-08-13 810-777-8XXX 8000–8999Assigned ONVOY, LLCV - MI 543C FLINT MI
2015-08-13 810-777-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C FLINT MI
2015-08-11 810-493-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-08-11 810-493-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI
2015-08-11 810-493-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FLINT MI

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.