NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 616
NEW CINGULAR WIRELESS PCS, LLC - IL 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 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
2011-02-22 616-325-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-325-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-325-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-427-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-466-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-710-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-710-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-22 616-818-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2011-02-17 616-422-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E HOLLAND MI
2011-02-17 616-422-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E HOLLAND MI
2011-02-10 616-200-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E TRUFANT MI
2011-02-10 616-359-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E DORR MI
2011-02-10 616-427-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C GRAND RPDS MI
2011-02-10 616-765-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E FREEPORT MI
2011-01-28 616-920-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ADA MI
2011-01-26 616-277-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E BYRON CTR MI
2011-01-26 616-536-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E CALEDONIA MI
2011-01-26 616-597-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E IONIA MI
2011-01-24 616-263-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E CEDAR SPG MI
2011-01-19 616-244-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C BELDING MI
2011-01-19 616-378-4XXX 4000–4999Assigned AT&T ENTERPRISES, LLC 516C JAMESTOWN MI
2011-01-19 616-504-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C CLARKSVL MI
2011-01-19 616-577-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C SARANAC MI
2011-01-19 616-681-7XXX 7000–7999Assigned AT&T ENTERPRISES, LLC 516C DORR MI
2011-01-14 616-255-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GREENVILLE MI
2011-01-07 616-414-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRANDHAVEN MI
2010-12-23 616-319-0XXX 0000–0999Assigned ONVOY, LLCV - MI 543C LOWELL MI
2010-12-10 616-422-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 HOLLAND MI
2010-12-10 616-422-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 HOLLAND MI
2010-12-10 616-422-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 HOLLAND MI
2010-12-10 616-422-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 HOLLAND MI
2010-11-24 616-710-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 GRAND RPDS MI
2010-11-24 616-710-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 GRAND RPDS MI
2010-11-24 616-710-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J GRAND RPDS MI
2010-11-15 616-375-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2010-11-15 616-375-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS 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.