NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

0 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, all time — NPA 920
COMMIO, LLC 49
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
2024-02-29 920-560-9XXX 9000–9999Assigned COMMIO, LLC 939H APPLETON WI
2024-02-29 920-806-4XXX 4000–4999Assigned COMMIO, LLC 939H APPLETON WI
2024-02-29 920-806-5XXX 5000–5999Assigned COMMIO, LLC 939H APPLETON WI
2023-11-14 920-936-0XXX 0000–0999Assigned COMMIO, LLC 939H KEWAUNEE WI
2023-11-14 920-936-1XXX 1000–1999Assigned COMMIO, LLC 939H KEWAUNEE WI
2023-11-14 920-936-2XXX 2000–2999Assigned COMMIO, LLC 939H KEWAUNEE WI
2023-11-14 920-936-3XXX 3000–3999Assigned COMMIO, LLC 939H KEWAUNEE WI
2023-11-14 920-936-4XXX 4000–4999Assigned COMMIO, LLC 939H KEWAUNEE WI
2023-10-20 920-582-8XXX 8000–8999Assigned COMMIO, LLC 939H WINNECONNE WI
2023-10-20 920-685-1XXX 1000–1999Assigned COMMIO, LLC 939H OMRO WI
2023-10-20 920-706-5XXX 5000–5999Assigned COMMIO, LLC 939H WINNECONNE WI
2023-10-20 920-706-6XXX 6000–6999Assigned COMMIO, LLC 939H WINNECONNE WI
2023-10-20 920-706-8XXX 8000–8999Assigned COMMIO, LLC 939H WINNECONNE WI
2023-10-20 920-708-1XXX 1000–1999Assigned COMMIO, LLC 939H ALGOMA WI
2023-10-20 920-708-2XXX 2000–2999Assigned COMMIO, LLC 939H ALGOMA WI
2023-10-20 920-708-3XXX 3000–3999Assigned COMMIO, LLC 939H ALGOMA WI
2023-10-20 920-708-4XXX 4000–4999Assigned COMMIO, LLC 939H ALGOMA WI
2023-10-20 920-708-8XXX 8000–8999Assigned COMMIO, LLC 939H ALGOMA WI
2023-10-20 920-859-2XXX 2000–2999Assigned COMMIO, LLC 939H OMRO WI
2023-10-20 920-859-3XXX 3000–3999Assigned COMMIO, LLC 939H OMRO WI
2023-10-20 920-859-4XXX 4000–4999Assigned COMMIO, LLC 939H OMRO WI
2023-10-20 920-859-6XXX 6000–6999Assigned COMMIO, LLC 939H OMRO WI
2023-10-20 920-861-9XXX 9000–9999Assigned COMMIO, LLC 939H WINNECONNE WI
2023-08-17 920-908-0XXX 0000–0999Assigned COMMIO, LLC 939H HORICON WI
2023-08-17 920-908-1XXX 1000–1999Assigned COMMIO, LLC 939H HORICON WI
2023-08-17 920-908-2XXX 2000–2999Assigned COMMIO, LLC 939H HORICON WI
2023-08-17 920-908-3XXX 3000–3999Assigned COMMIO, LLC 939H HORICON WI
2023-08-17 920-908-4XXX 4000–4999Assigned COMMIO, LLC 939H HORICON WI
2022-11-07 920-601-1XXX 1000–1999Assigned COMMIO, LLC 939H WRIGHTSTN WI
2022-11-07 920-630-8XXX 8000–8999Assigned COMMIO, LLC 939H COLUMBUS WI
2022-11-07 920-802-9XXX 9000–9999Assigned COMMIO, LLC 939H SHEBOGNFLS WI
2022-11-07 920-877-1XXX 1000–1999Assigned COMMIO, LLC 939H HORTONVL WI
2022-10-20 920-531-9XXX 9000–9999Assigned COMMIO, LLC 939H NEW LONDON WI
2022-07-27 920-331-4XXX 4000–4999Assigned COMMIO, LLC 939H SHEBOYGAN WI
2022-07-27 920-390-8XXX 8000–8999Assigned COMMIO, LLC 939H WATERTOWN WI
2022-07-27 920-571-0XXX 0000–0999Assigned COMMIO, LLC 939H MANITOWOC WI
2022-07-27 920-631-0XXX 0000–0999Assigned COMMIO, LLC 939H BEAVER DAM WI
2022-07-27 920-812-0XXX 0000–0999Assigned COMMIO, LLC 939H FONDDU LAC WI
2022-07-22 920-200-9XXX 9000–9999Assigned COMMIO, LLC 939H DE PERE WI
2022-07-22 920-414-8XXX 8000–8999Assigned COMMIO, LLC 939H NEENAH WI
2022-07-22 920-473-9XXX 9000–9999Assigned COMMIO, LLC 939H STURGEONBY WI
2022-07-22 920-580-1XXX 1000–1999Assigned COMMIO, LLC 939H OSHKOSH WI
2021-08-05 920-201-0XXX 0000–0999Assigned COMMIO, LLC 939H APPLETON WI
2021-08-05 920-201-1XXX 1000–1999Assigned COMMIO, LLC 939H APPLETON WI
2021-08-05 920-512-0XXX 0000–0999Assigned COMMIO, LLC 939H APPLETON WI
2021-08-05 920-512-1XXX 1000–1999Assigned COMMIO, LLC 939H APPLETON WI
2021-06-24 920-503-1XXX 1000–1999Assigned COMMIO, LLC 939H PULASKI WI
2021-06-24 920-503-8XXX 8000–8999Assigned COMMIO, LLC 939H PULASKI WI
2019-04-19 920-930-0XXX 0000–0999Assigned COMMIO, LLC 939H GREEN BAY WI

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.