NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 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 309
VERSATEL LLC 2
EXIANT COMMUNICATIONS LLC 2
BANDWIDTH.COM CLEC, LLC - IL 2
AHOI LLC 2
OPENTACT INC. 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
2018-11-27 309-488-4XXX 4000–4999Assigned ONVOY, LLC 224C FARMERCITY IL
2018-11-27 309-498-4XXX 4000–4999Assigned ONVOY, LLC 224C HEYWORTH IL
2018-11-27 309-503-5XXX 5000–5999Assigned ONVOY, LLC 224C TOWANDA IL
2018-11-27 309-504-5XXX 5000–5999Assigned ONVOY, LLC 224C DANVERS IL
2018-11-27 309-722-2XXX 2000–2999Assigned ONVOY, LLC 224C BELLFLOWER IL
2018-11-27 309-723-7XXX 7000–7999Assigned ONVOY, LLC 224C COLFAX IL
2018-11-27 309-724-5XXX 5000–5999Assigned ONVOY, LLC 224C ELLSWORTH IL
2018-11-27 309-725-2XXX 2000–2999Assigned ONVOY, LLC 224C COOKSVILLE IL
2018-11-27 309-727-3XXX 3000–3999Assigned ONVOY, LLC 224C ARROWSMITH IL
2018-11-26 309-322-1XXX 1000–1999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E PEORIA IL
2018-11-16 309-590-3XXX 3000–3999Assigned ONVOY, LLC 224C BLOOMINGTN IL
2018-11-14 309-808-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 BLOOMINGTN IL
2018-11-08 309-233-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E MANITO IL
2018-11-08 309-516-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E KILBOURNE IL
2018-11-08 309-605-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E BATH IL
2018-11-08 309-610-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E FORESTCITY IL
2018-11-08 309-640-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E HAVANA IL
2018-11-08 309-884-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E HANNA CITY IL
2018-11-07 309-205-6XXX 6000–6999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-07 309-434-7XXX 7000–7999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-07 309-622-4XXX 4000–4999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-07 309-665-6XXX 6000–6999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-07 309-665-8XXX 8000–8999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-07 309-684-5XXX 5000–5999Assigned VONAGE AMERICA LLC 197D BLOOMINGTN IL
2018-11-02 309-739-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E SECOR IL
2018-10-29 309-432-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E MINONK IL
2018-10-29 309-580-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E MOSSVILLE IL
2018-10-19 309-396-9XXX 9000–9999Assigned ONVOY, LLC 224C PRINCEVL IL
2018-10-12 309-519-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ROCKISLAND IL
2018-10-10 309-245-8XXX 8000–8999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E FARMINGTON IL
2018-10-10 309-316-9XXX 9000–9999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E DELAVAN IL
2018-10-08 309-506-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-08 309-506-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-08 309-506-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-08 309-506-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-08 309-506-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-02 309-429-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-02 309-592-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-02 309-592-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-10-01 309-603-5XXX 5000–5999Assigned PEERLESS NETWORK OF ILLINOIS, LLC - IL 063E CHILLICOTH IL
2018-09-27 309-315-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 GALESBURG IL
2018-09-27 309-350-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-09-27 309-350-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-09-27 309-350-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 ROCKISLAND IL
2018-09-24 309-610-6XXX 6000–6999Assigned ONVOY, LLC 224C FORESTCITY IL
2018-09-24 309-640-6XXX 6000–6999Assigned ONVOY, LLC 224C HAVANA IL
2018-09-24 309-650-6XXX 6000–6999Assigned ONVOY, LLC 224C PEKIN IL
2018-09-24 309-780-7XXX 7000–7999Assigned ONVOY, LLC 224C TALBOTT IL
2018-09-24 309-790-7XXX 7000–7999Assigned ONVOY, LLC 224C TOPEKA IL
2018-09-18 309-233-3XXX 3000–3999Assigned ONVOY, LLC 224C MANITO IL

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.