NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 734-738

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 734-738 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
TELEPORT COMMUNICATIONS AMERICA, LLC - MI 4
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 4
COMCAST IP PHONE, LLC 1
123.NET, 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
2006-03-28 734-738-0XXX 0000–0999Assigned 123.NET, LLC 2550 PLYMOUTH MI
— 734-738-1XXX 1000–1999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E PLYMOUTH MI
— 734-738-2XXX 2000–2999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E PLYMOUTH MI
— 734-738-3XXX 3000–3999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E PLYMOUTH MI
2014-06-16 734-738-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 6003 PLYMOUTH MI
— 734-738-5XXX 5000–5999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E PLYMOUTH MI
2013-07-23 734-738-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J 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

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.