NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

3 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 734
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 1
EXIANT COMMUNICATIONS LLC 1
AHOI 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
2014-02-07 734-202-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2014-02-07 734-202-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2014-02-07 734-202-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2014-02-07 734-221-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2014-02-07 734-221-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2014-02-07 734-221-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2014-02-07 734-221-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2014-01-28 734-221-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E YPSILANTI MI
2014-01-28 734-328-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E BELLEVILLE MI
2014-01-28 734-441-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E ROCKWOOD MI
2014-01-28 734-726-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E DEXTER MI
2014-01-27 734-316-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E SALINE MI
2014-01-27 734-508-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E MILAN MI
2014-01-24 734-431-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WAYNE MI
2014-01-14 734-245-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 LIVONIA MI
2014-01-14 734-258-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WYANDOTTE MI
2014-01-08 734-833-4XXX 4000–4999Assigned METROPCS, INC. 5562 DUNDEE MI
2014-01-06 734-605-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MAYBEE MI
2014-01-06 734-605-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MAYBEE MI
2014-01-06 734-605-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MAYBEE MI
2013-11-14 734-431-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WAYNE MI
2013-11-08 734-204-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2013-11-08 734-204-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2013-11-08 734-204-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2013-11-08 734-204-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2013-11-08 734-204-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2013-11-07 734-984-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J FLAT ROCK MI
2013-11-07 734-984-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J FLAT ROCK MI
2013-10-25 734-991-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WYANDOTTE MI
2013-10-21 734-436-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ANN ARBOR MI
2013-10-08 734-872-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 NEWPORT MI
2013-10-04 734-790-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 MONROE MI
2013-09-27 734-772-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G LIVONIA MI
2013-09-24 734-209-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-24 734-209-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 YPSILANTI MI
2013-09-19 734-431-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WAYNE MI
2013-09-10 734-345-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J BELLEVILLE MI
2013-09-10 734-368-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J ANN ARBOR MI
2013-09-10 734-785-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WYANDOTTE MI
2013-09-06 734-202-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2013-09-06 734-202-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2013-09-06 734-202-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2013-09-06 734-202-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA MI
2013-09-06 734-202-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 IDA 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.