NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 830-965

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 830-965 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 830 blocks

Most active assignees, all time — NPA 830
FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4
NEW CINGULAR WIRELESS PCS, LLC - IL 3
T-MOBILE USA, INC. 1
PEERLESS NETWORK OF TEXAS, LLC - TX 1
BANDWIDTH.COM CLEC, 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
2016-05-16 830-965-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 DILLEY TX
— 830-965-1XXX 1000–1999Reserved FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 DILLEY TX
— 830-965-2XXX 2000–2999Reserved FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 DILLEY TX
— 830-965-3XXX 3000–3999Reserved FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 DILLEY TX
— 830-965-4XXX 4000–4999Reserved FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 DILLEY TX
2003-06-24 830-965-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DILLEY TX
2005-02-09 830-965-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DILLEY TX
2011-05-18 830-965-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DILLEY TX
2015-06-18 830-965-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DILLEY TX
2014-04-08 830-965-9XXX 9000–9999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F DILLEY 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.