Thousands-blocks in 978-516

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 978-516 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

PAETEC ITEL, LLC 4

BANDWIDTH.COM CLEC, LLC - MA 2

U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1

NEW CINGULAR WIRELESS PCS, LLC - DC 1

MCIMETRO ACCESS TRANSMISSION SERVICES 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
—	978-516-0XXX	0000–0999	Reserved	PAETEC ITEL, LLC	829J	FITCHBURG	MA
—	978-516-1XXX	1000–1999	Reserved	PAETEC ITEL, LLC	829J	FITCHBURG	MA
2006-12-04	978-516-2XXX	2000–2999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	FITCHBURG	MA
2010-08-17	978-516-3XXX	3000–3999	Assigned	BANDWIDTH.COM CLEC, LLC - MA	990E	FITCHBURG	MA
2011-05-31	978-516-4XXX	4000–4999	Assigned	BANDWIDTH.COM CLEC, LLC - MA	990E	FITCHBURG	MA
2006-04-27	978-516-5XXX	5000–5999	Assigned	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	FITCHBURG	MA
2014-12-30	978-516-6XXX	6000–6999	Assigned	COMCAST IP PHONE, LLC	318J	FITCHBURG	MA
—	978-516-7XXX	7000–7999	Reserved	PAETEC ITEL, LLC	829J	FITCHBURG	MA
2006-05-18	978-516-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	FITCHBURG	MA
—	978-516-9XXX	9000–9999	Reserved	PAETEC ITEL, LLC	829J	FITCHBURG	MA

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.