NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 541-707

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 541-707 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 541 blocks

Most active assignees, all time — NPA 541
ONVOY, LLC - OR 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 2
2
T-MOBILE USA, INC. 1
INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 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
— 541-707-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 REEDSPORT OR
2021-02-04 541-707-1XXX 1000–1999Assigned ONVOY, LLC - OR 750E REEDSPORT OR
2021-02-04 541-707-2XXX 2000–2999Assigned ONVOY, LLC - OR 750E REEDSPORT OR
2026-01-06 541-707-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 REEDSPORT OR
— 541-707-4XXX 4000–4999Available REEDSPORT OR
— 541-707-5XXX 5000–5999Available REEDSPORT OR
2014-03-17 541-707-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J REEDSPORT OR
2011-01-05 541-707-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 REEDSPORT OR
2019-08-26 541-707-8XXX 8000–8999Assigned ONVOY, LLC - OR 750E REEDSPORT OR
2018-07-26 541-707-9XXX 9000–9999Assigned INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 826H REEDSPORT OR

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.