NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 484-378

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 484-378 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 484 blocks

Most active assignees, all time — NPA 484
OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 3
PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 2
BANDWIDTH.COM CLEC, LLC - PA 2
ONVOY, LLC - PA 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
2010-07-15 484-378-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F COATESVL PA
2011-06-20 484-378-1XXX 1000–1999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E COATESVL PA
2011-07-13 484-378-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 COATESVL PA
2012-09-07 484-378-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E COATESVL PA
2009-04-03 484-378-4XXX 4000–4999Assigned BLOCK LINE SYSTEMS, LLC - PA 784E COATESVL PA
2014-10-13 484-378-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 COATESVL PA
2014-10-13 484-378-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 COATESVL PA
2014-06-26 484-378-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J COATESVL PA
2013-04-04 484-378-8XXX 8000–8999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E COATESVL PA
2009-12-03 484-378-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F COATESVL PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.