NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 978-284

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 978-284 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
VERIZON NEW ENGLAND INC. 3
PAETEC ITEL, LLC 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 3
IP HORIZON 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
2009-01-05 978-284-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WILMINGTON MA
2015-02-25 978-284-1XXX 1000–1999Assigned IP HORIZON LLC 515J WILMINGTON MA
2009-12-04 978-284-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J WILMINGTON MA
2010-12-06 978-284-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WILMINGTON MA
— 978-284-4XXX 4000–4999Reserved VERIZON NEW ENGLAND INC. 9102 WILMINGTON MA
— 978-284-5XXX 5000–5999Reserved VERIZON NEW ENGLAND INC. 9102 WILMINGTON MA
2003-03-26 978-284-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J WILMINGTON MA
— 978-284-7XXX 7000–7999Reserved VERIZON NEW ENGLAND INC. 9102 WILMINGTON MA
2010-12-08 978-284-8XXX 8000–8999Assigned PAETEC ITEL, LLC 829J WILMINGTON MA
2012-03-05 978-284-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 WILMINGTON 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.