NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

12 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 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
2018-01-24 317-342-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D ZIONSVILLE IN
2018-01-23 317-349-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 CICERO IN
2018-01-19 317-764-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2018-01-12 317-349-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 CICERO IN
2018-01-12 317-464-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2018-01-12 317-639-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2018-01-12 317-756-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2018-01-12 317-868-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 FRANKLIN IN
2018-01-08 317-343-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J CARMEL IN
2017-12-11 317-792-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D FISHERS IN
2017-11-08 317-756-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J INDIANAPLS IN
2017-11-03 317-764-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2017-11-03 317-764-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2017-11-03 317-764-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NOBLESVL IN
2017-10-24 317-806-9XXX 9000–9999Assigned METROPCS, INC. 5562 FISHERS IN
2017-10-19 317-516-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FISHERS IN
2017-10-19 317-516-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FISHERS IN
2017-10-19 317-516-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FISHERS IN
2017-10-19 317-526-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENFIELD IN
2017-10-19 317-579-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FISHERS IN
2017-10-18 317-740-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - IN 4803 CARMEL IN
2017-10-18 317-868-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 FRANKLIN IN
2017-10-05 317-286-0XXX 0000–0999Assigned METROPCS, INC. 5562 BROWNSBURG IN
2017-10-05 317-520-6XXX 6000–6999Assigned METROPCS, INC. 5562 BROWNSBURG IN
2017-10-05 317-742-4XXX 4000–4999Assigned METROPCS, INC. 5562 PLAINFIELD IN
2017-10-05 317-939-7XXX 7000–7999Assigned METROPCS, INC. 5562 BROWNSBURG IN
2017-10-05 317-939-8XXX 8000–8999Assigned METROPCS, INC. 5562 BROWNSBURG IN
2017-09-20 317-659-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F FAIRLAND IN
2017-09-20 317-739-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F FRANKLIN IN
2017-09-15 317-282-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2017-09-15 317-282-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2017-09-15 317-282-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2017-09-15 317-453-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2017-09-15 317-453-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2017-09-14 317-868-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 FRANKLIN IN
2017-09-11 317-342-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F ZIONSVILLE IN
2017-07-20 317-419-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-419-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN 7440 INDIANAPLS IN
2017-07-20 317-419-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-20 317-618-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2017-07-19 317-516-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F FISHERS IN
2017-07-19 317-561-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F PLAINFIELD IN
2017-07-19 317-561-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F PLAINFIELD IN
2017-07-19 317-934-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F CUMBERLAND IN
2017-07-18 317-419-3XXX 3000–3999Assigned BHN IP ENABLED SERVICES, LLC 045L INDIANAPLS IN

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.