NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 254-500

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 254-500 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 254 blocks

Most active assignees, all time — NPA 254
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 3
T-MOBILE USA, INC. 2
ONVOY, LLC - TX 2
FRACTEL, LLC 2
METROPCS, INC. 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
2019-05-21 254-500-0XXX 0000–0999Assigned FRACTEL, LLC 965H TEMPLE TX
2021-12-28 254-500-1XXX 1000–1999Assigned METROPCS, INC. 5562 TEMPLE TX
2019-10-03 254-500-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C TEMPLE TX
2019-10-03 254-500-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C TEMPLE TX
2022-12-27 254-500-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 TEMPLE TX
2019-05-21 254-500-5XXX 5000–5999Assigned FRACTEL, LLC 965H TEMPLE TX
2021-12-16 254-500-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 TEMPLE TX
2020-11-15 254-500-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 TEMPLE TX
2021-09-09 254-500-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 TEMPLE TX
2021-09-09 254-500-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 TEMPLE TX

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.