NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

12 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 317
ONVOY, LLC - IN 8
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 1
HD CARRIER LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 1
BANDWIDTH.COM CLEC, 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
2016-03-03 317-934-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D CUMBERLAND IN
2016-02-29 317-741-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-29 317-741-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-29 317-741-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-29 317-741-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-29 317-922-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2016-02-29 317-922-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2016-02-25 317-953-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D NEWPALSTIN IN
2016-02-25 317-953-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D NEWPALSTIN IN
2016-02-23 317-932-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D OAKLANDON IN
2016-02-23 317-932-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D OAKLANDON IN
2016-02-23 317-939-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D BROWNSBURG IN
2016-02-23 317-939-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D BROWNSBURG IN
2016-02-23 317-943-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D DANVILLE IN
2016-02-23 317-943-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D DANVILLE IN
2016-02-22 317-593-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D ACTON IN
2016-02-22 317-593-9XXX 9000–9999Assigned ONVOY, LLC - IN 097D ACTON IN
2016-02-22 317-681-0XXX 0000–0999Assigned METROPCS, INC. 5562 INDIANAPLS IN
2016-02-22 317-722-9XXX 9000–9999Assigned METROPCS, INC. 5562 INDIANAPLS IN
2016-02-22 317-724-0XXX 0000–0999Assigned METROPCS, INC. 5562 INDIANAPLS IN
2016-02-22 317-822-1XXX 1000–1999Assigned METROPCS, INC. 5562 INDIANAPLS IN
2016-02-22 317-827-3XXX 3000–3999Assigned METROPCS, INC. 5562 FISHERS IN
2016-02-19 317-967-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D GREENFIELD IN
2016-02-19 317-967-9XXX 9000–9999Assigned ONVOY, LLC - IN 097D GREENFIELD IN
2016-02-18 317-548-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2016-02-18 317-548-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2016-02-18 317-556-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - IN 4803 INDIANAPLS IN
2016-02-17 317-659-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D FAIRLAND IN
2016-02-17 317-659-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D FAIRLAND IN
2016-02-17 317-699-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D SHELBYVL IN
2016-02-17 317-699-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D SHELBYVL IN
2016-02-17 317-741-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-17 317-741-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-17 317-741-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-17 317-741-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-17 317-741-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-17 317-741-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2016-02-16 317-707-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D PLAINFIELD IN
2016-02-16 317-707-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D PLAINFIELD IN
2016-02-15 317-342-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D ZIONSVILLE IN
2016-02-15 317-342-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D ZIONSVILLE IN
2016-02-12 317-922-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D NOBLESVL IN
2016-02-12 317-922-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D NOBLESVL IN
2016-02-12 317-967-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENFIELD IN
2016-02-10 317-868-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D FRANKLIN IN
2016-02-10 317-868-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D FRANKLIN IN
2016-02-08 317-743-2XXX 2000–2999Assigned ONVOY, LLC - IN 097D GREENWOOD IN
2016-02-08 317-743-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D GREENWOOD IN
2016-02-04 317-827-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D FISHERS IN
2016-02-04 317-827-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D FISHERS 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.