NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

9 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 515
ONVOY, LLC - IA 5
AUREON COMMUNICATIONS, LLC 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 1
BANDWIDTH.COM CLEC, LLC - IA 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
2020-01-16 515-807-9XXX 9000–9999Assigned EDGETEL, LLC 179J GOLDFIELD IA
2020-01-09 515-236-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 6570 BOONE IA
2019-12-30 515-316-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F GILMORE CY IA
2019-12-30 515-355-5XXX 5000–5999Assigned FRACTEL, LLC 965H WILLIAMS IA
2019-12-30 515-417-1XXX 1000–1999Assigned ONVOY, LLC - IA 221F FORT DODGE IA
2019-12-30 515-498-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F LIVERMORE IA
2019-12-30 515-529-9XXX 9000–9999Assigned FRACTEL, LLC 965H COLFAX IA
2019-12-30 515-600-0XXX 0000–0999Assigned FRACTEL, LLC 965H LUVERNE IA
2019-12-30 515-600-6XXX 6000–6999Assigned FRACTEL, LLC 965H LUVERNE IA
2019-12-30 515-666-0XXX 0000–0999Assigned FRACTEL, LLC 965H DES MOINES IA
2019-12-30 515-666-6XXX 6000–6999Assigned FRACTEL, LLC 965H DES MOINES IA
2019-12-30 515-755-5XXX 5000–5999Assigned FRACTEL, LLC 965H WESLEY IA
2019-12-30 515-900-0XXX 0000–0999Assigned FRACTEL, LLC 965H BOONE IA
2019-12-30 515-900-9XXX 9000–9999Assigned FRACTEL, LLC 965H BOONE IA
2019-12-23 515-766-3XXX 3000–3999Assigned FRACTEL, LLC 965H AMES IA
2019-12-23 515-766-6XXX 6000–6999Assigned FRACTEL, LLC 965H AMES IA
2019-12-18 515-236-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 BOONE IA
2019-11-26 515-405-9XXX 9000–9999Assigned HD CARRIER LLC 321J RENWICK IA
2019-11-21 515-644-1XXX 1000–1999Assigned TELNYX LLC 073H DES MOINES IA
2019-11-20 515-416-1XXX 1000–1999Assigned WIDE VOICE, LLC - IA 722G DES MOINES IA
2019-11-18 515-461-6XXX 6000–6999Assigned ONVOY, LLC - IA 221F DES MOINES IA
2019-11-18 515-461-7XXX 7000–7999Assigned ONVOY, LLC - IA 221F DES MOINES IA
2019-11-18 515-461-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F DES MOINES IA
2019-11-05 515-501-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F MAXWELL IA
2019-11-04 515-452-8XXX 8000–8999Assigned AUREON COMMUNICATIONS, LLC 444G DES MOINES IA
2019-11-01 515-855-6XXX 6000–6999Assigned ONVOY, LLC - IA 221F BUCKEYE IA
2019-11-01 515-859-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F ALDEN IA
2019-10-31 515-220-2XXX 2000–2999Assigned ONVOY, LLC - IA 221F CAMBRIDGE IA
2019-10-31 515-436-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F RIPPEY IA
2019-10-31 515-481-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F PLEASANTVL IA
2019-10-31 515-526-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F REDFIELD IA
2019-10-31 515-579-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F SLATER IA
2019-10-31 515-582-8XXX 8000–8999Assigned ONVOY, LLC - IA 221F MADRID IA
2019-10-31 515-676-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F BOUTON IA
2019-10-31 515-738-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F GRAND JCT IA
2019-10-31 515-789-3XXX 3000–3999Assigned ONVOY, LLC - IA 221F DEXTER IA
2019-10-31 515-834-4XXX 4000–4999Assigned ONVOY, LLC - IA 221F DE SOTO IA
2019-10-31 515-852-5XXX 5000–5999Assigned ONVOY, LLC - IA 221F DOWS IA
2019-10-30 515-514-1XXX 1000–1999Assigned AIRUS, INC - IA 423H DES MOINES IA
2019-10-24 515-461-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 DES MOINES IA
2019-10-11 515-364-1XXX 1000–1999Assigned UNITED STATES CELLULAR - IA 6266 GOLDFIELD IA
2019-10-07 515-553-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-10-07 515-553-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-10-07 515-553-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-10-07 515-732-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-10-07 515-732-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DES MOINES IA
2019-09-30 515-417-7XXX 7000–7999Assigned ONVOY, LLC - IA 221F FORT DODGE IA
2019-09-30 515-972-9XXX 9000–9999Assigned ONVOY, LLC - IA 221F OTHO IA
2019-09-16 515-461-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IA 9877 DES MOINES IA
2019-09-16 515-858-1XXX 1000–1999Assigned EXIANT COMMUNICATIONS LLC 114J DES MOINES IA

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.