NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

10 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 405
ONVOY, LLC - OK 7
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
OPENTACT INC. 1
BANDWIDTH.COM CLEC, LLC - OK 1
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
2021-10-26 405-870-1XXX 1000–1999Assigned ONVOY, LLC - OK 409F YUKON OK
2021-10-26 405-870-2XXX 2000–2999Assigned ONVOY, LLC - OK 409F YUKON OK
2021-10-26 405-870-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F YUKON OK
2021-10-26 405-897-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F WHEATLAND OK
2021-10-21 405-497-6XXX 6000–6999Assigned ONVOY, LLC - OK 409F OKLA CITY OK
2021-10-21 405-497-7XXX 7000–7999Assigned ONVOY, LLC - OK 409F OKLA CITY OK
2021-10-21 405-497-8XXX 8000–8999Assigned ONVOY, LLC - OK 409F OKLA CITY OK
2021-10-21 405-723-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H BETHANY OK
2021-10-19 405-497-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OKLA CITY OK
2021-10-19 405-497-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OKLA CITY OK
2021-10-18 405-723-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-723-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 BETHANY OK
2021-10-18 405-986-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 CHANDLER OK
2021-10-18 405-986-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 CHANDLER OK
2021-10-18 405-986-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 CHANDLER OK
2021-10-18 405-986-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 CHANDLER OK
2021-10-18 405-986-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 CHANDLER OK
2021-10-13 405-399-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - OK 5257 JONES OK
2021-10-08 405-865-3XXX 3000–3999Assigned TERRA NOVA TELECOM INC. 145J CARNEY OK
2021-10-07 405-871-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-10-07 405-871-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-10-07 405-871-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-10-07 405-871-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-10-07 405-871-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-10-07 405-871-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H OKLA CITY OK
2021-09-29 405-504-0XXX 0000–0999Assigned ONVOY, LLC - OK 409F MINCO OK
2021-09-28 405-930-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-930-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-930-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-998-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-998-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-998-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-998-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-28 405-998-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 OKLA CITY OK
2021-09-24 405-874-1XXX 1000–1999Assigned CSC VOICE, LLC 612K NOBLE OK
2021-09-24 405-874-2XXX 2000–2999Assigned CSC VOICE, LLC 612K NOBLE OK
2021-09-24 405-955-0XXX 0000–0999Assigned CSC VOICE, LLC 612K PURCELL OK
2021-09-24 405-955-1XXX 1000–1999Assigned CSC VOICE, LLC 612K PURCELL OK
2021-09-24 405-955-6XXX 6000–6999Assigned CSC VOICE, LLC 612K PURCELL OK
2021-09-24 405-955-7XXX 7000–7999Assigned CSC VOICE, LLC 612K PURCELL OK
2021-09-24 405-955-8XXX 8000–8999Assigned CSC VOICE, LLC 612K PURCELL OK
2021-09-22 405-554-9XXX 9000–9999Assigned ONVOY, LLC - OK 409F POCASSET OK
2021-09-22 405-649-5XXX 5000–5999Assigned ONVOY, LLC - OK 409F MULHALL OK
2021-09-08 405-645-3XXX 3000–3999Assigned ONVOY, LLC - OK 409F CALVIN OK
2021-08-25 405-592-2XXX 2000–2999Assigned TERRA NOVA TELECOM INC. 145J HOLDENVL OK

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.