NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

21 blocks assigned in the last 30 days · 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, 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2022-03-30 337-568-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J LAFAYETTE LA
2022-03-29 337-748-1XXX 1000–1999Assigned METROPCS, INC. 5562 WASHINGTON LA
2022-03-24 337-245-3XXX 3000–3999Assigned TON80 COMMUNICATIONS, LLC 516J SWEET LAKE LA
2022-03-24 337-447-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J OPELOUSAS LA
2022-03-24 337-623-3XXX 3000–3999Assigned TON80 COMMUNICATIONS, LLC 516J MELVILLE LA
2022-03-22 337-399-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H LAFAYETTE LA
2022-03-22 337-452-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J HAYES LA
2022-03-22 337-999-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BROUSSARD LA
2022-03-15 337-378-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C LEESVILLE LA
2022-03-15 337-487-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C LEESVILLE LA
2022-03-14 337-724-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J CHATAIGNIR LA
2022-03-14 337-777-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J PORT BARRE LA
2022-03-11 337-333-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J RAYNE LA
2022-03-11 337-336-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J VL PLATTE LA
2022-03-11 337-473-9XXX 9000–9999Assigned TON80 COMMUNICATIONS, LLC 516J RAGLEY LA
2022-03-11 337-566-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J KROTZ SPG LA
2022-03-11 337-666-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J REEVES LA
2022-03-11 337-766-6XXX 6000–6999Assigned TON80 COMMUNICATIONS, LLC 516J LAWTELL LA
2022-02-24 337-495-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C DE RIDDER LA
2022-02-24 337-495-7XXX 7000–7999Assigned VOICESTREAM GSM I, LLC 150C DE RIDDER LA
2022-02-24 337-495-8XXX 8000–8999Assigned VOICESTREAM GSM I, LLC 150C DE RIDDER LA
2022-02-24 337-574-9XXX 9000–9999Assigned VOICESTREAM GSM I, LLC 150C DE RIDDER LA
2022-02-24 337-748-3XXX 3000–3999Assigned TON80 COMMUNICATIONS, LLC 516J WASHINGTON LA
2022-02-23 337-848-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K SUNSET LA
2022-02-22 337-742-5XXX 5000–5999Assigned TON80 COMMUNICATIONS, LLC 516J BALDWIN LA
2022-02-22 337-768-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J ROANOKE LA
2022-02-22 337-848-2XXX 2000–2999Assigned TON80 COMMUNICATIONS, LLC 516J SUNSET LA
2022-02-17 337-592-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K KROTZ SPG LA
2022-02-14 337-557-0XXX 0000–0999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-14 337-557-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-14 337-557-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-14 337-557-4XXX 4000–4999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-14 337-557-5XXX 5000–5999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-14 337-557-9XXX 9000–9999Assigned VOICESTREAM GSM I, LLC 150C LAFAYETTE LA
2022-02-09 337-858-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 YOUNGSVL LA
2022-02-07 337-627-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J BREAUX BDG LA
2022-02-04 337-487-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2022-02-04 337-487-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 LEESVILLE LA
2022-02-03 337-391-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 IOWA LA
2022-02-01 337-567-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2022-02-01 337-567-4XXX 4000–4999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2022-02-01 337-567-5XXX 5000–5999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2022-02-01 337-567-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2022-01-31 337-495-1XXX 1000–1999Assigned LBH, LLC DBA CAMERON COMMUNICATIONS - LA 645C DE RIDDER LA
2022-01-31 337-832-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J STMARTINVL LA
2022-01-28 337-722-3XXX 3000–3999Assigned TON80 COMMUNICATIONS, LLC 516J LK CHARLES LA
2022-01-27 337-586-7XXX 7000–7999Assigned TON80 COMMUNICATIONS, LLC 516J WEEKS IS LA
2022-01-27 337-674-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J SULPHUR LA
2022-01-27 337-727-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J PINEPRAIRI LA
2022-01-27 337-746-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J CARLYSS 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.