NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 504-267

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 504-267 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 504 blocks

Most active assignees, all time — NPA 504
COMCAST IP PHONE, LLC 5
LEVEL 3 COMMUNICATIONS, LLC - LA 3
PAETEC ITEL, LLC 1
HUNT TELECOMMUNICATIONS, LLC - LA 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
— 504-267-0XXX 0000–0999Reserved COMCAST IP PHONE, LLC 318J NEWORLEANS LA
2004-10-19 504-267-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 NEWORLEANS LA
2007-09-24 504-267-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 NEWORLEANS LA
2007-10-17 504-267-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J NEWORLEANS LA
2007-10-17 504-267-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J NEWORLEANS LA
2007-10-17 504-267-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J NEWORLEANS LA
2005-04-22 504-267-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J NEWORLEANS LA
2007-10-17 504-267-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J NEWORLEANS LA
2007-11-20 504-267-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 NEWORLEANS LA
2008-10-02 504-267-9XXX 9000–9999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D NEWORLEANS LA

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.