NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 724-923

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 724-923 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 724 blocks

Most active assignees, all time — NPA 724
NEW CINGULAR WIRELESS PCS, LLC - IL 4
YMAX COMMUNICATIONS CORP. - PA 2
PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 2
ONVOY, LLC - PA 1
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
2003-01-15 724-923-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEW CASTLE PA
2016-01-25 724-923-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEW CASTLE PA
2016-05-03 724-923-2XXX 2000–2999Assigned IP HORIZON LLC 515J NEW CASTLE PA
2009-07-13 724-923-3XXX 3000–3999Assigned YMAX COMMUNICATIONS CORP. - PA 283E NEW CASTLE PA
2012-01-20 724-923-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E NEW CASTLE PA
2008-06-20 724-923-5XXX 5000–5999Assigned YMAX COMMUNICATIONS CORP. - PA 283E NEW CASTLE PA
2013-04-09 724-923-6XXX 6000–6999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E NEW CASTLE PA
2013-04-09 724-923-7XXX 7000–7999Assigned PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 967E NEW CASTLE PA
2006-08-24 724-923-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEW CASTLE PA
2006-08-24 724-923-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEW CASTLE PA

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.