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
2008-03-17 337-456-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J LAFAYETTE LA
2008-03-12 337-678-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OPELOUSAS LA
2008-03-11 337-517-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABBEVILLE LA
2008-03-11 337-577-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW IBERIA LA
2008-02-25 337-564-0XXX 0000–0999Assigned CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 260H LK CHARLES LA
2008-01-21 337-384-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CROWLEY LA
2008-01-21 337-401-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DE RIDDER LA
2008-01-21 337-552-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BROUSSARD LA
2008-01-04 337-256-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 NEW IBERIA LA
2008-01-04 337-323-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OPELOUSAS LA
2008-01-04 337-323-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OPELOUSAS LA
2008-01-04 337-342-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 STMARTINVL LA
2008-01-04 337-459-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 VL PLATTE LA
2008-01-04 337-517-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABBEVILLE LA
2008-01-04 337-940-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BALDWIN LA
2007-12-03 337-565-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J CARENCRO LA
2007-11-19 337-517-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABBEVILLE LA
2007-10-31 337-342-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 STMARTINVL LA
2007-10-31 337-378-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2007-10-31 337-401-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DE RIDDER LA
2007-10-31 337-424-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2007-10-30 337-749-2XXX 2000–2999Assigned BRIGHTSPEED OF LOUISIANA, LLC 0434 REEVES LA
2007-10-30 337-749-3XXX 3000–3999Assigned BRIGHTSPEED OF LOUISIANA, LLC 0434 REEVES LA
2007-10-26 337-456-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J LAFAYETTE LA
2007-10-24 337-552-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BROUSSARD LA
2007-10-23 337-704-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2007-09-11 337-678-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K OPELOUSAS LA
2007-09-04 337-488-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C LK CHARLES LA
2007-09-04 337-502-1XXX 1000–1999Assigned VOICESTREAM GSM I, LLC 150C LK CHARLES LA
2007-09-04 337-502-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C LK CHARLES LA
2007-08-23 337-563-6XXX 6000–6999Assigned METROPCS, INC. 5562 CARLYSS LA
2007-08-20 337-459-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 VL PLATTE LA
2007-08-20 337-517-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 ABBEVILLE LA
2007-08-20 337-592-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 KROTZ SPG LA
2007-08-20 337-718-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2007-08-02 337-502-0XXX 0000–0999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D LK CHARLES LA
2007-08-01 337-857-4XXX 4000–4999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D YOUNGSVL LA
2007-06-29 337-704-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J LAFAYETTE LA
2007-06-27 337-377-2XXX 2000–2999Assigned METROPCS, INC. 5562 LK CHARLES LA
2007-06-27 337-377-4XXX 4000–4999Assigned METROPCS, INC. 5562 LK CHARLES LA
2007-06-18 337-466-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EUNICE LA
2007-06-18 337-706-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LAFAYETTE LA
2007-06-15 337-342-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 STMARTINVL LA
2007-06-15 337-401-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DE RIDDER LA
2007-05-29 337-422-0XXX 0000–0999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D ABBEVILLE LA
2007-05-29 337-552-0XXX 0000–0999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D BROUSSARD LA
2007-05-29 337-907-0XXX 0000–0999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D FRANKLIN LA
2007-05-22 337-889-0XXX 0000–0999Assigned HUNT TELECOMMUNICATIONS, LLC - LA 181D LAFAYETTE LA
2007-04-26 337-308-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OPELOUSAS LA
2007-04-26 337-308-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 OPELOUSAS 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.