NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 734-680

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 734-680 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 734 blocks

Most active assignees, all time — NPA 734
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 3
METROPCS, INC. 2
LEVEL 3 COMMUNICATIONS, LLC - MI 1
CENTURYLINK COMMUNICATIONS, 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
2006-06-09 734-680-0XXX 0000–0999Assigned METROPCS, INC. 5562 ANN ARBOR MI
2013-01-28 734-680-1XXX 1000–1999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ANN ARBOR MI
— 734-680-2XXX 2000–2999Reserved METROPCS, INC. 5562 ANN ARBOR MI
2010-03-02 734-680-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2010-03-02 734-680-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI
2010-04-08 734-680-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ANN ARBOR MI
2010-04-08 734-680-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ANN ARBOR MI
2010-04-08 734-680-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 ANN ARBOR MI
2013-01-04 734-680-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - MI 6120 ANN ARBOR MI
2010-08-03 734-680-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 ANN ARBOR MI

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.