NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 978-484

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 978-484 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
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 4
BANDWIDTH.COM CLEC, LLC - MA 2
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
TELNYX LLC 1
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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 978-484-0XXX 0000–0999Reserved BANDWIDTH.COM CLEC, LLC - MA 990E ROWLEY MA
2013-04-05 978-484-1XXX 1000–1999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F ROWLEY MA
— 978-484-2XXX 2000–2999Reserved BANDWIDTH.COM CLEC, LLC - MA 990E ROWLEY MA
— 978-484-3XXX 3000–3999Reserved PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F ROWLEY MA
— 978-484-4XXX 4000–4999Reserved PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F ROWLEY MA
2012-01-06 978-484-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J ROWLEY MA
2003-06-02 978-484-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J ROWLEY MA
— 978-484-7XXX 7000–7999Available ROWLEY MA
2017-04-27 978-484-8XXX 8000–8999Assigned TELNYX LLC 073H ROWLEY MA
2013-04-05 978-484-9XXX 9000–9999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F ROWLEY 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.