NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

19 blocks assigned in September 2026 · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, September 2026 — NPA 337
ONVOY, LLC - LA 15
NEW CINGULAR WIRELESS PCS, LLC - GA 2
CSC WIRELESS, LLC 2
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 Clear
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2026-09-17 337-343-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E DE RIDDER LA
2026-09-17 337-386-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E DE QUINCY LA
2026-09-17 337-496-1XXX 1000–1999Assigned CSC WIRELESS, LLC 425J LK CHARLES LA
2026-09-17 337-529-1XXX 1000–1999Assigned CSC WIRELESS, LLC 425J LK CHARLES LA
2026-09-17 337-627-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E BREAUX BDG LA
2026-09-17 337-757-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E CARENCRO LA
2026-09-17 337-767-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E CROWLEY LA
2026-09-17 337-773-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E BROUSSARD LA
2026-09-14 337-576-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E EUNICE LA
2026-09-14 337-619-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E YOUNGSVL LA
2026-09-14 337-712-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E SULPHUR LA
2026-09-10 337-381-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E OPELOUSAS LA
2026-09-10 337-381-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E OPELOUSAS LA
2026-09-10 337-489-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E LK CHARLES LA
2026-09-09 337-590-4XXX 4000–4999Assigned ONVOY, LLC - LA 749E ABBEVILLE LA
2026-09-03 337-318-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E LEESVILLE LA
2026-09-03 337-318-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E LEESVILLE LA
2026-09-01 337-746-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CARLYSS LA
2026-09-01 337-895-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LAFAYETTE LA

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.