NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 801-919

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 801-919 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 801 blocks

Most active assignees, all time — NPA 801
T-MOBILE USA, INC. 5
FIRSTDIGITAL COMMUNICATIONS, LLC 2
PAETEC ITEL, LLC 1
ONVOY, LLC - UT 1
BANDWIDTH.COM CLEC, LLC - UT 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
2011-12-27 801-919-0XXX 0000–0999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D PROVO UT
2012-10-25 801-919-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - UT 117F PROVO UT
2012-03-14 801-919-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J PROVO UT
2012-03-19 801-919-3XXX 3000–3999Assigned FIRSTDIGITAL COMMUNICATIONS, LLC 716D PROVO UT
2011-12-20 801-919-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2011-12-20 801-919-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2011-12-20 801-919-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2012-09-13 801-919-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 PROVO UT
2012-09-06 801-919-8XXX 8000–8999Assigned ONVOY, LLC - UT 871E PROVO UT
2011-12-20 801-919-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 PROVO UT

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.