Thousands-blocks in 978-495

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 978-495 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 4

TC SYSTEMS, INC. 3

U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 2

PAETEC ITEL, 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2004-02-10	978-495-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BILLERICA	MA
2004-02-10	978-495-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BILLERICA	MA
2004-02-10	978-495-2XXX	2000–2999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BILLERICA	MA
2006-09-20	978-495-3XXX	3000–3999	Assigned	PAETEC ITEL, LLC	829J	BILLERICA	MA
2011-08-10	978-495-4XXX	4000–4999	Assigned	TC SYSTEMS, INC.	7135	BILLERICA	MA
2005-03-03	978-495-5XXX	5000–5999	Assigned	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	BILLERICA	MA
2009-10-29	978-495-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BILLERICA	MA
2014-01-27	978-495-7XXX	7000–7999	Assigned	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	BILLERICA	MA
2015-03-31	978-495-8XXX	8000–8999	Assigned	TC SYSTEMS, INC.	7135	BILLERICA	MA
—	978-495-9XXX	9000–9999	Reserved	TC SYSTEMS, INC.	7135	BILLERICA	MA

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.