NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

21 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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, last 30 days — NPA 337
ONVOY, LLC - LA 17
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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2023-08-22 337-403-1XXX 1000–1999Assigned ONVOY, LLC - LA 749E HAYES LA
2023-08-22 337-472-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F MAMOU LA
2023-08-22 337-473-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E RAGLEY LA
2023-08-22 337-539-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E GUEYDAN LA
2023-08-22 337-559-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E SWEET LAKE LA
2023-08-22 337-585-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E PORT BARRE LA
2023-08-22 337-586-1XXX 1000–1999Assigned ONVOY, LLC - LA 749E WEEKS IS LA
2023-08-22 337-597-0XXX 0000–0999Assigned COMMIO, LLC 939H BASILE LA
2023-08-22 337-597-1XXX 1000–1999Assigned COMMIO, LLC 939H BASILE LA
2023-08-22 337-597-2XXX 2000–2999Assigned COMMIO, LLC 939H BASILE LA
2023-08-22 337-597-3XXX 3000–3999Assigned COMMIO, LLC 939H BASILE LA
2023-08-22 337-597-4XXX 4000–4999Assigned COMMIO, LLC 939H BASILE LA
2023-08-22 337-601-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E HENDERSON LA
2023-08-22 337-604-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E CECELIA LA
2023-08-22 337-617-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E MERRYVILLE LA
2023-08-22 337-627-4XXX 4000–4999Assigned ONVOY, LLC - LA 749E BREAUX BDG LA
2023-08-22 337-748-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E WASHINGTON LA
2023-08-22 337-771-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E PARKS LA
2023-08-17 337-539-0XXX 0000–0999Assigned COMMIO, LLC 939H GUEYDAN LA
2023-08-17 337-539-1XXX 1000–1999Assigned COMMIO, LLC 939H GUEYDAN LA
2023-08-17 337-545-1XXX 1000–1999Assigned COMMIO, LLC 939H CENTERVL LA
2023-08-17 337-545-7XXX 7000–7999Assigned COMMIO, LLC 939H CENTERVL LA
2023-08-17 337-545-8XXX 8000–8999Assigned COMMIO, LLC 939H CENTERVL LA
2023-08-17 337-545-9XXX 9000–9999Assigned COMMIO, LLC 939H CENTERVL LA
2023-08-17 337-553-7XXX 7000–7999Assigned COMMIO, LLC 939H GUEYDAN LA
2023-08-17 337-553-8XXX 8000–8999Assigned COMMIO, LLC 939H GUEYDAN LA
2023-08-17 337-553-9XXX 9000–9999Assigned COMMIO, LLC 939H GUEYDAN LA
2023-08-17 337-836-8XXX 8000–8999Assigned COMMIO, LLC 939H CENTERVL LA
2023-08-16 337-379-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F IOWA LA
2023-08-11 337-576-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E EUNICE LA
2023-08-11 337-590-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E ABBEVILLE LA
2023-08-10 337-216-1XXX 1000–1999Assigned ONVOY, LLC - LA 749E LAFAYETTE LA
2023-08-10 337-362-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E LAFAYETTE LA
2023-08-10 337-383-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E LEESVILLE LA
2023-08-10 337-383-4XXX 4000–4999Assigned ONVOY, LLC - LA 749E LEESVILLE LA
2023-08-10 337-446-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E LAFAYETTE LA
2023-08-10 337-556-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E CHURCH PT LA
2023-08-10 337-557-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E LAFAYETTE LA
2023-08-10 337-616-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E JENNINGS LA
2023-08-10 337-637-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E RAYNE LA
2023-08-10 337-674-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E SULPHUR LA
2023-08-10 337-722-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E LK CHARLES LA
2023-08-10 337-722-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E LK CHARLES LA
2023-08-10 337-730-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E OPELOUSAS LA
2023-08-10 337-730-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E OPELOUSAS LA
2023-08-10 337-773-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E BROUSSARD LA
2023-08-10 337-832-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E STMARTINVL LA
2023-08-10 337-858-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E YOUNGSVL LA
2023-08-10 337-889-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E LAFAYETTE LA
2023-08-07 337-492-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW IBERIA 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.