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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2023-05-09 337-895-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H LAFAYETTE LA
2023-05-09 337-895-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H LAFAYETTE LA
2023-05-05 337-701-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 EUNICE LA
2023-04-28 337-803-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DUSON LA
2023-04-26 337-259-5XXX 5000–5999Assigned BOOST SUBSCRIBERCO L.L.C. 490J LAFAYETTE LA
2023-04-26 337-449-1XXX 1000–1999Assigned COMMIO, LLC 939H ARNAUDVL LA
2023-04-26 337-627-3XXX 3000–3999Assigned BOOST SUBSCRIBERCO L.L.C. 490J BREAUX BDG LA
2023-04-11 337-630-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C CAMERON LA
2023-04-11 337-630-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C CAMERON LA
2023-04-07 337-634-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J LK CHARLES LA
2023-04-05 337-784-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E CROWLEY LA
2023-04-04 337-379-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 IOWA LA
2023-03-27 337-249-8XXX 8000–8999Assigned TERRA NOVA TELECOM INC. 145J SWEET LAKE LA
2023-03-27 337-465-8XXX 8000–8999Assigned TERRA NOVA TELECOM INC. 145J NEW IBERIA LA
2023-03-27 337-543-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J LAWTELL LA
2023-03-27 337-585-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J PORT BARRE LA
2023-03-27 337-616-8XXX 8000–8999Assigned TERRA NOVA TELECOM INC. 145J JENNINGS LA
2023-03-27 337-829-3XXX 3000–3999Assigned TERRA NOVA TELECOM INC. 145J FRANKLIN LA
2023-03-17 337-455-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2023-03-17 337-567-8XXX 8000–8999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2023-03-17 337-627-0XXX 0000–0999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2023-03-17 337-627-9XXX 9000–9999Assigned VOICESTREAM GSM I, LLC 150C BREAUX BDG LA
2023-03-13 337-617-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E MERRYVILLE LA
2023-03-10 337-259-8XXX 8000–8999Assigned HD CARRIER LLC 321J LAFAYETTE LA
2023-03-10 337-259-9XXX 9000–9999Assigned HD CARRIER LLC 321J LAFAYETTE LA
2023-03-03 337-218-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 JENNINGS LA
2023-03-03 337-275-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JENNINGS LA
2023-03-03 337-915-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CARENCRO LA
2023-02-10 337-617-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 MERRYVILLE LA
2023-02-09 337-858-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 YOUNGSVL LA
2023-01-31 337-895-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H LAFAYETTE LA
2023-01-31 337-895-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H LAFAYETTE LA
2023-01-18 337-216-8XXX 8000–8999Assigned TERRA NOVA TELECOM INC. 145J LAFAYETTE LA
2023-01-10 337-379-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA LA - LLC 653C IOWA LA
2022-12-29 337-924-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BALDWIN LA
2022-12-21 337-848-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 SUNSET LA
2022-12-05 337-826-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E WASHINGTON LA
2022-12-02 337-390-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C KINDER LA
2022-12-02 337-390-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C KINDER LA
2022-12-01 337-487-4XXX 4000–4999Assigned ONVOY, LLC - LA 749E LEESVILLE LA
2022-11-22 337-426-5XXX 5000–5999Assigned ONVOY, LLC - LA 749E LK CHARLES LA
2022-11-22 337-426-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E LK CHARLES LA
2022-11-18 337-444-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E PARKS LA
2022-11-18 337-617-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E MERRYVILLE LA
2022-11-18 337-617-6XXX 6000–6999Assigned ONVOY, LLC - LA 749E MERRYVILLE LA
2022-11-18 337-637-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E RAYNE LA
2022-11-18 337-637-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E RAYNE LA
2022-11-17 337-434-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E HENDERSON LA
2022-11-16 337-320-0XXX 0000–0999Assigned VOICESTREAM GSM I, LLC 150C OBERLIN LA
2022-11-10 337-218-0XXX 0000–0999Assigned COMMIO, LLC 939H JENNINGS 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.