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
2021-04-14 309-865-2XXX 2000–2999Assigned ONVOY, LLC 224C EASTMOLINE IL
2021-04-14 309-955-4XXX 4000–4999Assigned ONVOY, LLC 224C WATAGA IL
2021-04-13 309-217-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 PEKIN IL
2021-04-06 309-975-3XXX 3000–3999Assigned ONVOY, LLC 224C AVON IL
2021-04-05 309-312-2XXX 2000–2999Assigned ONVOY, LLC 224C KEWANEE IL
2021-04-05 309-892-8XXX 8000–8999Assigned TWILIO INTERNATIONAL, INC. 506J PEORIA IL
2021-03-26 309-443-4XXX 4000–4999Assigned ONVOY, LLC 224C LOW POINT IL
2021-03-26 309-488-2XXX 2000–2999Assigned ONVOY, LLC 224C FARMERCITY IL
2021-03-26 309-490-5XXX 5000–5999Assigned ONVOY, LLC 224C LEXINGTON IL
2021-03-26 309-501-2XXX 2000–2999Assigned ONVOY, LLC 224C WASHINGTON IL
2021-03-26 309-501-3XXX 3000–3999Assigned ONVOY, LLC 224C WASHINGTON IL
2021-03-26 309-516-4XXX 4000–4999Assigned ONVOY, LLC 224C KILBOURNE IL
2021-03-26 309-650-2XXX 2000–2999Assigned ONVOY, LLC 224C PEKIN IL
2021-03-26 309-650-5XXX 5000–5999Assigned ONVOY, LLC 224C PEKIN IL
2021-03-26 309-650-7XXX 7000–7999Assigned ONVOY, LLC 224C PEKIN IL
2021-03-26 309-727-2XXX 2000–2999Assigned ONVOY, LLC 224C ARROWSMITH IL
2021-03-26 309-741-3XXX 3000–3999Assigned ONVOY, LLC 224C ELMWOOD IL
2021-03-26 309-761-1XXX 1000–1999Assigned ONVOY, LLC 224C KEWANEE IL
2021-03-26 309-761-2XXX 2000–2999Assigned ONVOY, LLC 224C KEWANEE IL
2021-03-26 309-878-8XXX 8000–8999Assigned ONVOY, LLC 224C COOKSVILLE IL
2021-03-26 309-885-0XXX 0000–0999Assigned ONVOY, LLC 224C PEKIN IL
2021-03-23 309-610-3XXX 3000–3999Assigned ONVOY, LLC 224C FORESTCITY IL
2021-03-23 309-877-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PEORIA IL
2021-03-22 309-870-1XXX 1000–1999Assigned STRATUS NETWORKS 495J CROPSEY IL
2021-03-22 309-878-1XXX 1000–1999Assigned STRATUS NETWORKS 495J COOKSVILLE IL
2021-03-17 309-599-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LONDON ML IL
2021-03-11 309-598-9XXX 9000–9999Assigned ONVOY, LLC 224C KIRKWOOD IL
2021-03-11 309-772-7XXX 7000–7999Assigned ONVOY, LLC 224C BUSHNELL IL
2021-03-11 309-775-5XXX 5000–5999Assigned ONVOY, LLC 224C PRAIRIE CY IL
2021-03-11 309-784-3XXX 3000–3999Assigned ONVOY, LLC 224C VERMONT IL
2021-03-11 309-801-8XXX 8000–8999Assigned ONVOY, LLC 224C STRONGHST IL
2021-03-11 309-858-8XXX 8000–8999Assigned ONVOY, LLC 224C BIGGSVILLE IL
2021-03-11 309-859-9XXX 9000–9999Assigned ONVOY, LLC 224C GULFPORT IL
2021-03-11 309-975-5XXX 5000–5999Assigned ONVOY, LLC 224C AVON IL
2021-03-10 309-329-4XXX 4000–4999Assigned ONVOY, LLC 224C ASTORIA IL
2021-03-10 309-559-9XXX 9000–9999Assigned ONVOY, LLC 224C OQUAWKA IL
2021-03-09 309-464-3XXX 3000–3999Assigned ONVOY, LLC 224C NOHENDERSN IL
2021-03-09 309-513-3XXX 3000–3999Assigned ONVOY, LLC 224C ALEDO IL
2021-03-09 309-513-4XXX 4000–4999Assigned ONVOY, LLC 224C ALEDO IL
2021-03-09 309-514-4XXX 4000–4999Assigned ONVOY, LLC 224C ALBANY IL
2021-03-09 309-515-1XXX 1000–1999Assigned ONVOY, LLC 224C ERIE IL
2021-03-09 309-529-7XXX 7000–7999Assigned ONVOY, LLC 224C ALPHA IL
2021-03-09 309-551-3XXX 3000–3999Assigned ONVOY, LLC 224C MATHERVL IL
2021-03-09 309-568-5XXX 5000–5999Assigned ONVOY, LLC 224C ANDOVER IL
2021-03-09 309-600-3XXX 3000–3999Assigned ONVOY, LLC 224C PREEMPTION IL
2021-03-09 309-602-2XXX 2000–2999Assigned ONVOY, LLC 224C SHERRARD IL
2021-03-09 309-623-5XXX 5000–5999Assigned ONVOY, LLC 224C MOLINE IL
2021-03-09 309-623-6XXX 6000–6999Assigned ONVOY, LLC 224C MOLINE IL
2021-03-09 309-623-8XXX 8000–8999Assigned ONVOY, LLC 224C MOLINE IL
2021-03-09 309-623-9XXX 9000–9999Assigned ONVOY, LLC 224C MOLINE 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.