NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

21 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 463
ONVOY, LLC - IN 16
OPENTACT INC. 1
NEW CINGULAR WIRELESS PCS, LLC - IL 1
INTRADO COMMUNICATIONS, LLC 1
HD CARRIER LLC 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
2021-09-13 463-355-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND IN
2021-09-13 463-355-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND IN
2021-08-26 463-245-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-08-26 463-245-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-08-26 463-245-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-08-24 463-254-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CICERO IN
2021-08-24 463-254-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CICERO IN
2021-08-24 463-328-4XXX 4000–4999Assigned TON80 COMMUNICATIONS, LLC 516J CARMEL IN
2021-08-23 463-464-0XXX 0000–0999Assigned TELNYX LLC 073H SHELBYVL IN
2021-08-10 463-253-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-08-10 463-253-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-08-10 463-253-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-08-10 463-426-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-08-10 463-426-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-08-05 463-300-9XXX 9000–9999Assigned COMMIO, LLC 939H GREENWOOD IN
2021-08-04 463-251-5XXX 5000–5999Assigned COMMIO, LLC 939H FISHERS IN
2021-08-04 463-251-6XXX 6000–6999Assigned COMMIO, LLC 939H FISHERS IN
2021-08-04 463-251-8XXX 8000–8999Assigned COMMIO, LLC 939H FISHERS IN
2021-08-04 463-251-9XXX 9000–9999Assigned COMMIO, LLC 939H FISHERS IN
2021-07-28 463-253-9XXX 9000–9999Assigned HD CARRIER LLC 321J INDIANAPLS IN
2021-07-27 463-426-1XXX 1000–1999Assigned HD CARRIER LLC 321J INDIANAPLS IN
2021-07-21 463-263-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D ACTON IN
2021-07-21 463-263-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D ACTON IN
2021-07-21 463-263-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D ACTON IN
2021-07-21 463-263-9XXX 9000–9999Assigned ONVOY, LLC - IN 097D ACTON IN
2021-07-21 463-426-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IN 4803 INDIANAPLS IN
2021-07-20 463-466-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2021-07-20 463-466-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2021-07-20 463-466-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2021-07-20 463-466-9XXX 9000–9999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2021-07-07 463-226-9XXX 9000–9999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 CLAYTON IN
2021-06-30 463-224-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-06-30 463-242-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F CUMBERLAND IN
2021-06-30 463-242-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F CUMBERLAND IN
2021-06-30 463-426-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-06-30 463-867-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-06-28 463-266-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENFIELD IN
2021-06-28 463-266-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENFIELD IN
2021-06-28 463-266-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 GREENFIELD IN
2021-06-25 463-250-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CARMEL IN
2021-06-25 463-250-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CARMEL IN
2021-06-25 463-250-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CARMEL IN
2021-06-25 463-250-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CARMEL IN
2021-06-25 463-250-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CARMEL IN
2021-06-22 463-243-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H WESTFIELD IN
2021-06-22 463-243-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H WESTFIELD IN
2021-06-22 463-426-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D INDIANAPLS IN
2021-06-22 463-426-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D INDIANAPLS IN
2021-06-22 463-426-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D INDIANAPLS IN
2021-06-22 463-426-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D 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.