NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 770-688

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 770-688 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
POWERTEL ATLANTA LICENSES, INC. 4
TELEPORT COMMUNICATIONS AMERICA, LLC - GA 3
PAETEC ITEL, LLC 1
NEW CINGULAR WIRELESS PCS, LLC - GA 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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
2010-11-24 770-688-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ATLANTA NE GA
— 770-688-1XXX 1000–1999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - GA 8392 ATLANTA NE GA
— 770-688-2XXX 2000–2999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - GA 8392 ATLANTA NE GA
— 770-688-3XXX 3000–3999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - GA 8392 ATLANTA NE GA
2010-07-02 770-688-4XXX 4000–4999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 ATLANTA NE GA
2008-01-09 770-688-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 6540 ATLANTA NE GA
2010-07-02 770-688-6XXX 6000–6999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 ATLANTA NE GA
2010-07-02 770-688-7XXX 7000–7999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 ATLANTA NE GA
2007-07-09 770-688-8XXX 8000–8999Assigned PAETEC ITEL, LLC 829J ATLANTA NE GA
2010-07-02 770-688-9XXX 9000–9999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 ATLANTA NE GA

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.