NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 334-455

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 334-455 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 334 blocks

Most active assignees, all time — NPA 334
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 5
TELEPORT COMMUNICATIONS AMERICA, LLC - AL 1
ONVOY SPECTRUM, LLC 1
MCC TELEPHONY LLC 1
LEVEL 3 COMMUNICATIONS, LLC - AL 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
— 334-455-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CAMDEN AL
— 334-455-1XXX 1000–1999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CAMDEN AL
2023-05-30 334-455-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H CAMDEN AL
2012-09-07 334-455-3XXX 3000–3999Assigned MCC TELEPHONY LLC 593K CAMDEN AL
2015-10-08 334-455-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CAMDEN AL
2012-11-02 334-455-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CAMDEN AL
2020-10-14 334-455-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AL 8271 CAMDEN AL
2017-11-01 334-455-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CAMDEN AL
2023-02-14 334-455-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - AL 5255 CAMDEN AL
— 334-455-9XXX 9000–9999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 CAMDEN AL

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.