NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 308-754

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 308-754 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
QWEST CORPORATION 5
ONVOY, LLC - NE 1
NEW CINGULAR WIRELESS PCS, LLC - IL 1
N.E. COLORADO CELLULAR, INC. 1
LEVEL 3 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2021-02-10 308-754-0XXX 0000–0999Assigned ONVOY, LLC - NE 549E ST PAUL NE
2020-10-14 308-754-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST PAUL NE
2007-11-02 308-754-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ST PAUL NE
2005-04-11 308-754-3XXX 3000–3999Assigned N.E. COLORADO CELLULAR, INC. 6874 ST PAUL NE
— 308-754-4XXX 4000–4999Reserved QWEST CORPORATION 9631 ST PAUL NE
— 308-754-5XXX 5000–5999Reserved QWEST CORPORATION 9631 ST PAUL NE
2023-02-17 308-754-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - NE 3233 ST PAUL NE
— 308-754-7XXX 7000–7999Reserved QWEST CORPORATION 9631 ST PAUL NE
— 308-754-8XXX 8000–8999Reserved QWEST CORPORATION 9631 ST PAUL NE
— 308-754-9XXX 9000–9999Reserved QWEST CORPORATION 9631 ST PAUL 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.