NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 770-383

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 770-383 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 770 blocks

Most active assignees, all time — NPA 770
BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 5
METROPCS, INC. 2
PAETEC ITEL, LLC 1
NEW CINGULAR WIRELESS PCS, LLC - GA 1
BANDWIDTH.COM CLEC, LLC - GA 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
— 770-383-0XXX 0000–0999Reserved NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CARTERSVL GA
2010-10-20 770-383-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - GA 983E CARTERSVL GA
2008-12-12 770-383-2XXX 2000–2999Assigned METROPCS, INC. 5562 CARTERSVL GA
— 770-383-3XXX 3000–3999Reserved BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CARTERSVL GA
2011-02-25 770-383-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J CARTERSVL GA
2008-12-12 770-383-5XXX 5000–5999Assigned METROPCS, INC. 5562 CARTERSVL GA
— 770-383-6XXX 6000–6999Reserved BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CARTERSVL GA
— 770-383-7XXX 7000–7999Reserved BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CARTERSVL GA
— 770-383-8XXX 8000–8999Reserved BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CARTERSVL GA
— 770-383-9XXX 9000–9999Reserved BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CARTERSVL GA

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.