NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 337-484

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 337-484 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 337 blocks

Most active assignees, all time — NPA 337
7
NUSO, LLC 1
LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 1
AT&T ENTERPRISES, 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
— 337-484-0XXX 0000–0999Available LAFAYETTE LA
2014-07-07 337-484-1XXX 1000–1999Assigned LAFAYETTE CITY-PARISH CONSOLIDATED GOVERNMENT - LA 9002 LAFAYETTE LA
2023-09-05 337-484-2XXX 2000–2999Assigned NUSO, LLC 732J LAFAYETTE LA
2011-05-24 337-484-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C LAFAYETTE LA
— 337-484-4XXX 4000–4999Available LAFAYETTE LA
— 337-484-5XXX 5000–5999Available LAFAYETTE LA
— 337-484-6XXX 6000–6999Available LAFAYETTE LA
— 337-484-7XXX 7000–7999Available LAFAYETTE LA
— 337-484-8XXX 8000–8999Available LAFAYETTE LA
— 337-484-9XXX 9000–9999Available LAFAYETTE 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.