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
2021-10-29 463-348-9XXX 9000–9999Assigned PEERLESS NETWORK OF INDIANA, LLC - IN 279F BROWNSBURG IN
2021-10-28 463-244-6XXX 6000–6999Assigned ONVOY, LLC - IN 097D BARGERSVL IN
2021-10-28 463-244-7XXX 7000–7999Assigned ONVOY, LLC - IN 097D BARGERSVL IN
2021-10-27 463-258-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F DANVILLE IN
2021-10-27 463-258-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F DANVILLE IN
2021-10-27 463-259-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F CUMBERLAND IN
2021-10-27 463-259-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F CUMBERLAND IN
2021-10-26 463-222-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F FRANKLIN IN
2021-10-26 463-266-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F GREENFIELD IN
2021-10-26 463-266-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F GREENFIELD IN
2021-10-26 463-464-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F SHELBYVL IN
2021-10-26 463-464-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F SHELBYVL IN
2021-10-26 463-724-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F FRANKLIN IN
2021-10-25 463-245-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-10-25 463-245-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-10-25 463-253-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2021-10-22 463-248-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H NOBLESVL IN
2021-10-20 463-247-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H MARIETTA IN
2021-10-20 463-247-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H MARIETTA IN
2021-10-20 463-251-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H FISHERS IN
2021-10-19 463-240-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D OAKLANDON IN
2021-10-19 463-240-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D OAKLANDON IN
2021-10-19 463-240-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D OAKLANDON IN
2021-10-19 463-266-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D GREENFIELD IN
2021-10-19 463-266-4XXX 4000–4999Assigned ONVOY, LLC - IN 097D GREENFIELD IN
2021-10-19 463-356-2XXX 2000–2999Assigned ONVOY, LLC - IN 097D CLAYTON IN
2021-10-19 463-464-2XXX 2000–2999Assigned ONVOY, LLC - IN 097D SHELBYVL IN
2021-10-19 463-464-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D SHELBYVL IN
2021-10-04 463-673-2XXX 2000–2999Assigned TON80 COMMUNICATIONS, LLC 516J FISHERS IN
2021-09-27 463-236-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F PLAINFIELD IN
2021-09-27 463-255-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F PLAINFIELD IN
2021-09-27 463-328-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 CARMEL IN
2021-09-27 463-464-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F SHELBYVL IN
2021-09-27 463-766-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IN 105F SHELBYVL IN
2021-09-20 463-254-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 CICERO IN
2021-09-14 463-256-1XXX 1000–1999Assigned IP HORIZON LLC 515J INDIANAPLS IN
2021-09-13 463-245-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-246-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 6725 INDIANAPLS IN
2021-09-13 463-355-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND IN
2021-09-13 463-355-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND IN
2021-09-13 463-355-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND IN
2021-09-13 463-355-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 2964 FAIRLAND 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.