NumberResearch Membership · Data 09/21/2026

Thousands-blocks in 978-289

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/21/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 978-289 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 978 blocks

Most active assignees, all time — NPA 978
NEW CINGULAR WIRELESS PCS, LLC - DC 5
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
PAETEC ITEL, LLC 1
LEVEL 3 COMMUNICATIONS, LLC - MA 1
FREEDOM RING COMMUNICATIONS, LLC 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
2005-04-05 978-289-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ANDOVER MA
— 978-289-1XXX 1000–1999Reserved PAETEC ITEL, LLC 829J ANDOVER MA
2005-04-05 978-289-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ANDOVER MA
2005-04-05 978-289-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ANDOVER MA
2004-11-12 978-289-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - MA 4018 ANDOVER MA
2005-03-03 978-289-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ANDOVER MA
2009-05-22 978-289-6XXX 6000–6999Assigned FREEDOM RING COMMUNICATIONS, LLC 8468 ANDOVER MA
2007-10-09 978-289-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ANDOVER MA
2007-10-09 978-289-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ANDOVER MA
2010-09-22 978-289-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - MA 990E ANDOVER MA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.