NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 978-865

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 978-865 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
LEVEL 3 COMMUNICATIONS, LLC - MA 3
ONVOY, LLC - MA 1
COMCAST IP PHONE, LLC 1
CENTURYLINK 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2021-12-20 978-865-0XXX 0000–0999Assigned METROPCS, INC. 5562 GLOUCESTER MA
— 978-865-1XXX 1000–1999Reserved LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GLOUCESTER MA
2020-06-11 978-865-2XXX 2000–2999Assigned ONVOY, LLC - MA 892D GLOUCESTER MA
2012-04-04 978-865-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J GLOUCESTER MA
— 978-865-4XXX 4000–4999Available GLOUCESTER MA
2014-05-16 978-865-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GLOUCESTER MA
— 978-865-6XXX 6000–6999Reserved LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GLOUCESTER MA
2021-12-20 978-865-7XXX 7000–7999Assigned METROPCS, INC. 5562 GLOUCESTER MA
— 978-865-8XXX 8000–8999Reserved LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GLOUCESTER MA
2021-12-20 978-865-9XXX 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.