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
2007-07-17 734-244-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 MONROE MI
2007-07-17 734-391-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J BELLEVILLE MI
2007-07-12 734-695-2XXX 2000–2999Assigned MICHIGAN BELL TEL CO 9323 YPSILANTI MI
2007-07-12 734-695-3XXX 3000–3999Assigned MICHIGAN BELL TEL CO 9323 YPSILANTI MI
2007-07-12 734-695-4XXX 4000–4999Assigned MICHIGAN BELL TEL CO 9323 YPSILANTI MI
2007-07-12 734-695-5XXX 5000–5999Assigned MICHIGAN BELL TEL CO 9323 YPSILANTI MI
2007-07-12 734-695-6XXX 6000–6999Assigned MICHIGAN BELL TEL CO 9323 YPSILANTI MI
2007-07-06 734-225-7XXX 7000–7999Assigned WOW! INTERNET, CABLE AND PHONE 961J WYANDOTTE MI
2007-07-06 734-259-8XXX 8000–8999Assigned WOW! INTERNET, CABLE AND PHONE 961J PLYMOUTH MI
2007-07-06 734-307-3XXX 3000–3999Assigned WOW! INTERNET, CABLE AND PHONE 961J TRENTON MI
2007-07-06 734-329-2XXX 2000–2999Assigned WOW! INTERNET, CABLE AND PHONE 961J WAYNE MI
2007-07-06 734-340-1XXX 1000–1999Assigned WOW! INTERNET, CABLE AND PHONE 961J YPSILANTI MI
2007-07-06 734-442-6XXX 6000–6999Assigned WOW! INTERNET, CABLE AND PHONE 961J ROMULUS MI
2007-07-06 734-469-2XXX 2000–2999Assigned WOW! INTERNET, CABLE AND PHONE 961J LIVONIA MI
2007-06-21 734-726-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 DEXTER MI
2007-06-14 734-402-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C LIVONIA MI
2007-06-13 734-307-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J TRENTON MI
2007-06-13 734-682-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J MONROE MI
2007-05-29 734-667-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J PLYMOUTH MI
2007-05-02 734-686-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J ANN ARBOR MI
2007-04-27 734-369-9XXX 9000–9999Assigned 123.NET, LLC 2550 ANN ARBOR MI
2007-04-26 734-795-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 FLAT ROCK MI
2007-04-26 734-879-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 YPSILANTI MI
2007-04-23 734-929-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2007-04-19 734-259-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLYMOUTH MI
2007-03-28 734-629-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WAYNE MI
2007-03-28 734-895-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J WAYNE MI
2007-03-22 734-418-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 ANN ARBOR MI
2007-03-22 734-535-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 7279 FLAT ROCK MI
2007-03-22 734-929-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ANN ARBOR MI
2007-03-22 734-929-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ANN ARBOR MI
2007-03-22 734-929-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J ANN ARBOR MI
2007-03-13 734-992-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J ROMULUS MI
2007-03-07 734-299-6XXX 6000–6999Assigned METROPCS, INC. 5562 CARLETON MI
2007-03-07 734-469-8XXX 8000–8999Assigned METROPCS, INC. 5562 LIVONIA MI
2007-03-07 734-629-3XXX 3000–3999Assigned METROPCS, INC. 5562 WAYNE MI
2007-03-02 734-340-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J YPSILANTI MI
2007-03-02 734-547-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J YPSILANTI MI
2007-03-02 734-879-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J YPSILANTI MI
2007-03-02 734-879-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J YPSILANTI MI
2007-02-19 734-393-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 LOSTPNNSUL MI
2007-02-08 734-648-1XXX 1000–1999Assigned ONVOY, LLCV - MI 543C PINCKNEY MI
2007-02-08 734-726-6XXX 6000–6999Assigned ONVOY, LLCV - MI 543C DEXTER MI
2007-02-08 734-731-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 MONROE MI
2007-02-08 734-883-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2007-02-08 734-883-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2007-02-08 734-972-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2007-01-31 734-259-6XXX 6000–6999Assigned ONVOY, LLCV - MI 543C PLYMOUTH MI
2007-01-31 734-259-7XXX 7000–7999Assigned ONVOY, LLCV - MI 543C PLYMOUTH MI
2007-01-31 734-307-1XXX 1000–1999Assigned ONVOY, LLCV - MI 543C TRENTON 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.