NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 225-425

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 225-425 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 225 blocks

Most active assignees, all time — NPA 225
ONVOY, LLC - LA 4
NEW CINGULAR WIRELESS PCS, LLC - GA 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 2
TELNYX 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
— 225-425-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 NEW ROADS LA
2019-08-15 225-425-1XXX 1000–1999Assigned TELNYX LLC 073H NEW ROADS LA
— 225-425-2XXX 2000–2999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 NEW ROADS LA
2019-07-22 225-425-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E NEW ROADS LA
2016-02-18 225-425-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW ROADS LA
2019-07-22 225-425-5XXX 5000–5999Assigned ONVOY, LLC - LA 749E NEW ROADS LA
2016-02-18 225-425-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW ROADS LA
2016-02-17 225-425-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E NEW ROADS LA
2016-02-17 225-425-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E NEW ROADS LA
2016-02-18 225-425-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW ROADS 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.