NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 325-726

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 325-726 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 325 blocks

Most active assignees, all time — NPA 325
T-MOBILE USA, INC. 3
ONVOY, LLC - TX 3
2
TELEPORT COMMUNICATIONS AMERICA, LLC - TX 1
LEVEL 3 COMMUNICATIONS, LLC - TX 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
2021-02-15 325-726-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 COLEMAN TX
2021-01-06 325-726-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C COLEMAN TX
2019-02-13 325-726-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C COLEMAN TX
2020-05-29 325-726-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 COLEMAN TX
2021-01-06 325-726-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C COLEMAN TX
— 325-726-5XXX 5000–5999Available COLEMAN TX
2012-08-22 325-726-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 COLEMAN TX
— 325-726-7XXX 7000–7999Available COLEMAN TX
2006-07-24 325-726-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 COLEMAN TX
2005-10-07 325-726-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 COLEMAN TX

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.