NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

7 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 574
OPENTACT INC. 4
PEERLESS NETWORK OF INDIANA, LLC - IN 1
ONVOY, LLC - IN 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN 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
2021-09-13 574-374-1XXX 1000–1999Assigned COMMIO, LLC 939H GOSHEN IN
2021-09-13 574-374-9XXX 9000–9999Assigned COMMIO, LLC 939H GOSHEN IN
2021-08-31 574-577-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 ROYAL CTR IN
2021-08-23 574-914-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 PLYMOUTH IN
2021-08-23 574-914-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 PLYMOUTH IN
2021-08-23 574-914-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 PLYMOUTH IN
2021-08-11 574-321-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 ROCHESTER IN
2021-08-09 574-380-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D ATWOOD IN
2021-08-05 574-205-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D WINAMAC IN
2021-08-05 574-205-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D WINAMAC IN
2021-08-05 574-207-2XXX 2000–2999Assigned ONVOY, LLC - IN 097D KNOX IN
2021-08-05 574-227-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D MILLWOOD IN
2021-08-05 574-230-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D KEWANNA IN
2021-08-05 574-240-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D MONTICELLO IN
2021-08-05 574-240-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D MONTICELLO IN
2021-08-05 574-313-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D FLORA IN
2021-08-05 574-328-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D BURKET IN
2021-08-05 574-330-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D MILLERSBG IN
2021-08-05 574-331-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D BREMEN IN
2021-08-05 574-332-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D ARGOS IN
2021-08-05 574-337-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D SYRACUSE IN
2021-08-05 574-348-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D HAMLET IN
2021-08-05 574-353-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D MENTONE IN
2021-08-05 574-356-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D NAPPANEE IN
2021-08-05 574-363-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D BOURBON IN
2021-08-05 574-380-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D ATWOOD IN
2021-08-05 574-385-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D WARSAW IN
2021-08-05 574-385-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D WARSAW IN
2021-08-05 574-385-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D WARSAW IN
2021-08-05 574-526-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D LEESBURG IN
2021-08-05 574-540-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D PLYMOUTH IN
2021-08-05 574-540-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D PLYMOUTH IN
2021-08-05 574-542-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D MONTEREY IN
2021-08-05 574-586-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D WALKERTON IN
2021-08-05 574-603-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D BURNETTSVL IN
2021-08-05 574-603-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D BURNETTSVL IN
2021-08-05 574-678-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D MILFORD IN
2021-08-05 574-688-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D PIERCETON IN
2021-08-05 574-784-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D LAPAZ IN
2021-08-05 574-797-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D NEWCARLISL IN
2021-08-05 574-804-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D NO LIBERTY IN
2021-08-05 574-878-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D NO WEBSTER IN
2021-08-05 574-896-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D NO JUDSON IN
2021-08-05 574-943-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D IDAVILLE IN
2021-08-03 574-786-0XXX 0000–0999Assigned COMMIO, LLC 939H ELKHART IN
2021-08-03 574-786-1XXX 1000–1999Assigned COMMIO, LLC 939H ELKHART IN
2021-08-03 574-786-2XXX 2000–2999Assigned COMMIO, LLC 939H ELKHART IN
2021-08-03 574-786-8XXX 8000–8999Assigned COMMIO, LLC 939H ELKHART IN
2021-08-03 574-786-9XXX 9000–9999Assigned COMMIO, LLC 939H ELKHART IN
2021-07-28 574-577-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D ROYAL CTR IN

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.