NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 678-971

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 678-971 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 678 blocks

Most active assignees, all time — NPA 678
LEVEL 3 COMMUNICATIONS, LLC - GA 3
CHARTER IP ENABLED SERVICES, LLC 3
TELEPORT COMMUNICATIONS AMERICA, LLC - GA 1
ONVOY, LLC - GA 1
NEW CINGULAR WIRELESS PCS, 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
2012-11-09 678-971-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GAINESVL GA
2013-04-03 678-971-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GAINESVL GA
2008-02-01 678-971-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GAINESVL GA
2008-02-01 678-971-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - GA 6116 GAINESVL GA
2008-02-28 678-971-4XXX 4000–4999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GAINESVL GA
2010-05-24 678-971-5XXX 5000–5999Assigned CHARTER IP ENABLED SERVICES, LLC 792K GAINESVL GA
2009-03-26 678-971-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - GA 8392 GAINESVL GA
2008-09-30 678-971-7XXX 7000–7999Assigned ONVOY, LLC - GA 067D GAINESVL GA
2024-12-04 678-971-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GAINESVL GA
2009-03-05 678-971-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - GA 983E GAINESVL 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.