NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 276-352

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

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

The ten 1,000-number thousand-blocks inside prefix 276-352 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 276 blocks

Most active assignees, all time — NPA 276
UNITED STATES CELLULAR - VA 2
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2
TERRA NOVA TELECOM INC. 1
TELEPORT COMMUNICATIONS AMERICA, LLC - VA 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
2008-11-06 276-352-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F COLLINSVL VA
2018-12-11 276-352-1XXX 1000–1999Assigned UNITED STATES CELLULAR - VA 6283 COLLINSVL VA
2025-10-21 276-352-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 COLLINSVL VA
2018-08-17 276-352-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 COLLINSVL VA
2004-05-04 276-352-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 COLLINSVL VA
2018-04-20 276-352-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J COLLINSVL VA
2013-05-14 276-352-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 COLLINSVL VA
2025-10-16 276-352-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 COLLINSVL VA
— 276-352-8XXX 8000–8999Reserved UNITED STATES CELLULAR - VA 6283 COLLINSVL VA
2025-06-16 276-352-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J COLLINSVL VA

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.