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
2014-12-30 616-215-1XXX 1000–1999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G GRANDHAVEN MI
2014-12-30 616-219-1XXX 1000–1999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G DUTTON MI
2014-12-30 616-229-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G HUDSONVL MI
2014-12-30 616-239-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G ZEELAND MI
2014-12-30 616-294-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G HOLLAND MI
2014-12-22 616-303-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C GREENVILLE MI
2014-12-19 616-583-7XXX 7000–7999Assigned 123.NET, LLC 2550 BYRON CTR MI
2014-12-08 616-239-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ZEELAND MI
2014-11-10 616-229-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUDSONVL MI
2014-11-04 616-228-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-11-04 616-228-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-11-04 616-228-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-10-24 616-951-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKFORD MI
2014-10-23 616-215-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRANDHAVEN MI
2014-10-16 616-227-4XXX 4000–4999Assigned ONVOY, LLCV - MI 543C ADA MI
2014-10-16 616-228-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C GRAND RPDS MI
2014-10-16 616-228-8XXX 8000–8999Assigned ONVOY, LLCV - MI 543C GRAND RPDS MI
2014-10-16 616-899-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C CONKLIN MI
2014-10-07 616-404-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C CASNOVIA MI
2014-10-02 616-213-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 CEDAR SPG MI
2014-10-02 616-368-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 HOLLAND MI
2014-10-01 616-303-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C GREENVILLE MI
2014-09-25 616-228-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J GRAND RPDS MI
2014-09-24 616-227-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E ADA MI
2014-09-24 616-323-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J GRAND RPDS MI
2014-09-23 616-202-3XXX 3000–3999Assigned ONVOY, LLCV - MI 543C GRAND RPDS MI
2014-09-23 616-202-5XXX 5000–5999Assigned ONVOY, LLCV - MI 543C GRAND RPDS MI
2014-09-23 616-899-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K CONKLIN MI
2014-09-16 616-371-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C JAMESTOWN MI
2014-09-16 616-378-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C JAMESTOWN MI
2014-09-12 616-202-4XXX 4000–4999Assigned AT&T ENTERPRISES, LLC 516C GRAND RPDS MI
2014-09-08 616-426-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-09-08 616-426-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-09-08 616-426-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 GRAND RPDS MI
2014-09-02 616-213-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CEDAR SPG MI
2014-09-02 616-552-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRAND RPDS MI
2014-09-02 616-552-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRAND RPDS MI
2014-08-25 616-794-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E BELDING MI
2014-08-14 616-202-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E GRAND RPDS MI
2014-08-14 616-215-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E GRANDHAVEN MI
2014-08-14 616-263-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E CEDAR SPG MI
2014-08-14 616-275-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E CALEDONIA MI
2014-08-14 616-294-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E HOLLAND MI
2014-08-14 616-303-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E GREENVILLE MI
2014-07-29 616-215-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 GRANDHAVEN MI
2014-07-29 616-930-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 GRAND RPDS MI
2014-07-25 616-323-9XXX 9000–9999Assigned ONVOY, LLCV - MI 543C GRAND RPDS MI
2014-06-27 616-202-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E GRAND RPDS MI
2014-06-27 616-219-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E DUTTON MI
2014-06-27 616-345-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E BYRON CTR 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.