NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 870-626

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 870-626 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 870 blocks

Most active assignees, all time — NPA 870
LEVEL 3 COMMUNICATIONS, LLC - AR 3
T-MOBILE USA, INC. 2
TELEPORT COMMUNICATIONS AMERICA, LLC - AR 1
ONVOY, LLC - AR 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR 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
— 870-626-0XXX 0000–0999Reserved LEVEL 3 COMMUNICATIONS, LLC - AR 5179 MAGNOLIA AR
2021-06-24 870-626-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 MAGNOLIA AR
2021-06-24 870-626-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 MAGNOLIA AR
2010-06-25 870-626-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR 7277 MAGNOLIA AR
2004-08-03 870-626-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - AR 5179 MAGNOLIA AR
2011-05-09 870-626-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C MAGNOLIA AR
2013-08-28 870-626-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AR 802C MAGNOLIA AR
— 870-626-7XXX 7000–7999Available MAGNOLIA AR
2022-02-23 870-626-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F MAGNOLIA AR
— 870-626-9XXX 9000–9999Reserved LEVEL 3 COMMUNICATIONS, LLC - AR 5179 MAGNOLIA AR

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.