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
2014-06-16 734-413-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ROMULUS MI
2014-06-16 734-667-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-667-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-667-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-738-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-738-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-738-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-738-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-781-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-781-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-16 734-844-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
2014-06-13 734-288-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WYANDOTTE MI
2014-06-13 734-808-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2014-06-13 734-808-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2014-06-13 734-808-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2014-06-13 734-808-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2014-06-13 734-808-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 DEXTER MI
2014-06-12 734-530-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WYANDOTTE MI
2014-06-12 734-559-8XXX 8000–8999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J TRENTON MI
2014-06-12 734-725-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WAYNE MI
2014-06-10 734-772-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 LIVONIA MI
2014-06-02 734-235-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G IDA MI
2014-06-02 734-275-2XXX 2000–2999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G PINCKNEY MI
2014-06-02 734-820-1XXX 1000–1999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G MAYBEE MI
2014-05-29 734-436-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E ANN ARBOR MI
2014-05-27 734-702-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G WHITMORELK MI
2014-05-27 734-725-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G WAYNE MI
2014-05-27 734-725-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J WAYNE MI
2014-05-21 734-436-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 ANN ARBOR MI
2014-05-19 734-999-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G YPSILANTI MI
2014-05-15 734-545-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANN ARBOR MI
2014-05-15 734-548-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANN ARBOR MI
2014-05-08 734-725-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J WAYNE MI
2014-05-07 734-431-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MI 991E WAYNE MI
2014-05-06 734-744-9XXX 9000–9999Assigned BHN IP ENABLED SERVICES, LLC 045L LIVONIA MI
2014-05-02 734-315-4XXX 4000–4999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G NEW BOSTON MI
2014-04-29 734-258-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 WYANDOTTE MI
2014-04-16 734-702-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WHITMORELK MI
2014-04-15 734-838-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LIVONIA MI
2014-04-15 734-838-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LIVONIA MI
2014-04-11 734-808-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G DEXTER MI
2014-04-07 734-224-6XXX 6000–6999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G TEMPERANCE MI
2014-04-07 734-270-6XXX 6000–6999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G WILLIS MI
2014-04-07 734-375-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G GREGORY MI
2014-04-07 734-396-6XXX 6000–6999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G MANCHESTER MI
2014-04-07 734-470-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G SALINE MI
2014-04-07 734-471-6XXX 6000–6999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G ROCKWOOD MI
2014-04-07 734-479-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G WYANDOTTE MI
2014-04-07 734-526-0XXX 0000–0999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G MILAN MI
2014-04-07 734-535-9XXX 9000–9999Assigned PEERLESS NETWORK OF MICHIGAN, LLC - MI 933G FLAT ROCK 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.