NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 978-879

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 978-879 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
METROPCS, INC. 3
PAETEC ITEL, LLC 2
OMNIPOINT MIAMI E LICENSE, LLC 2
IP HORIZON LLC 1
COMCAST IP PHONE, 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
2015-02-24 978-879-0XXX 0000–0999Assigned IP HORIZON LLC 515J GLOUCESTER MA
— 978-879-1XXX 1000–1999Reserved PAETEC ITEL, LLC 829J GLOUCESTER MA
2015-12-02 978-879-2XXX 2000–2999Assigned BARR TELL USA, INC. - MA 732H GLOUCESTER MA
2006-12-21 978-879-3XXX 3000–3999Assigned METROPCS, INC. 5562 GLOUCESTER MA
2006-10-19 978-879-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J GLOUCESTER MA
— 978-879-5XXX 5000–5999Reserved PAETEC ITEL, LLC 829J GLOUCESTER MA
2005-08-24 978-879-6XXX 6000–6999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 GLOUCESTER MA
2004-07-02 978-879-7XXX 7000–7999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 GLOUCESTER MA
2003-10-28 978-879-8XXX 8000–8999Assigned METROPCS, INC. 5562 GLOUCESTER MA
2002-12-27 978-879-9XXX 9000–9999Assigned METROPCS, INC. 5562 GLOUCESTER 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.