NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 308-414

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 308-414 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 308 blocks

Most active assignees, all time — NPA 308
UNITED STATES CELLULAR - NE 6
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 2
NEW CINGULAR WIRELESS PCS, LLC - IL 1
ALLO COMMUNICATIONS, LLC - NE 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
2005-04-21 308-414-0XXX 0000–0999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2007-01-05 308-414-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 IMPERIAL NE
2009-02-23 308-414-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 IMPERIAL NE
2022-02-05 308-414-3XXX 3000–3999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2022-02-05 308-414-4XXX 4000–4999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2022-02-05 308-414-5XXX 5000–5999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2019-10-15 308-414-6XXX 6000–6999Assigned ALLO COMMUNICATIONS, LLC - NE 710A IMPERIAL NE
2022-02-05 308-414-7XXX 7000–7999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2022-02-05 308-414-8XXX 8000–8999Assigned UNITED STATES CELLULAR - NE 6263 IMPERIAL NE
2021-06-15 308-414-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 IMPERIAL NE

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.