NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 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 618
NEW CINGULAR WIRELESS PCS, LLC - IL 2
EXIANT COMMUNICATIONS LLC 2
AHOI 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
2021-08-31 618-796-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALTON IL
2021-08-31 618-796-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALTON IL
2021-08-27 618-545-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J CENTRALIA IL
2021-08-23 618-636-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ALTON IL
2021-08-23 618-636-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E ALTON IL
2021-08-09 618-590-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K DIX IL
2021-08-03 618-217-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - IL 7136 WOOD RIVER IL
2021-08-02 618-685-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E EDWARDSVL IL
2021-08-02 618-685-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E EDWARDSVL IL
2021-07-29 618-408-2XXX 2000–2999Assigned ONVOY, LLC 224C BECKEMEYER IL
2021-07-29 618-760-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-29 618-760-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CENTRALIA IL
2021-07-26 618-705-7XXX 7000–7999Assigned ONVOY, LLC 224C ALBERS IL
2021-07-22 618-519-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 9915 CARBONDALE IL
2021-07-21 618-270-5XXX 5000–5999Assigned ONVOY, LLC 224C WAYNE CITY IL
2021-07-21 618-298-7XXX 7000–7999Assigned ONVOY, LLC 224C BELLMONT IL
2021-07-21 618-737-0XXX 0000–0999Assigned ONVOY, LLC 224C BELLEVILLE IL
2021-07-21 618-737-1XXX 1000–1999Assigned ONVOY, LLC 224C BELLEVILLE IL
2021-07-14 618-312-6XXX 6000–6999Assigned ONVOY, LLC 224C SALEM IL
2021-07-14 618-312-7XXX 7000–7999Assigned ONVOY, LLC 224C SALEM IL
2021-07-14 618-330-2XXX 2000–2999Assigned ONVOY, LLC 224C KAMPSVILLE IL
2021-07-14 618-348-2XXX 2000–2999Assigned ONVOY, LLC 224C HERRICK IL
2021-07-14 618-358-7XXX 7000–7999Assigned ONVOY, LLC 224C NEW BADEN IL
2021-07-14 618-361-1XXX 1000–1999Assigned ONVOY, LLC 224C PINCKNEYVL IL
2021-07-14 618-361-8XXX 8000–8999Assigned ONVOY, LLC 224C PINCKNEYVL IL
2021-07-14 618-403-6XXX 6000–6999Assigned ONVOY, LLC 224C FLORA IL
2021-07-14 618-403-7XXX 7000–7999Assigned ONVOY, LLC 224C FLORA IL
2021-07-14 618-417-6XXX 6000–6999Assigned ONVOY, LLC 224C MT VERNON IL
2021-07-14 618-472-8XXX 8000–8999Assigned ONVOY, LLC 224C MT VERNON IL
2021-07-14 618-574-9XXX 9000–9999Assigned ONVOY, LLC 224C AVISTON IL
2021-07-14 618-602-3XXX 3000–3999Assigned ONVOY, LLC 224C METROPOLIS IL
2021-07-14 618-602-4XXX 4000–4999Assigned ONVOY, LLC 224C METROPOLIS IL
2021-07-14 618-649-2XXX 2000–2999Assigned ONVOY, LLC 224C MOUNDS IL
2021-07-14 618-689-2XXX 2000–2999Assigned ONVOY, LLC 224C SAILOR SPG IL
2021-07-14 618-750-4XXX 4000–4999Assigned ONVOY, LLC 224C COLLINSVL IL
2021-07-14 618-750-5XXX 5000–5999Assigned ONVOY, LLC 224C COLLINSVL IL
2021-07-14 618-750-6XXX 6000–6999Assigned ONVOY, LLC 224C COLLINSVL IL
2021-07-14 618-750-7XXX 7000–7999Assigned ONVOY, LLC 224C COLLINSVL IL
2021-07-14 618-755-3XXX 3000–3999Assigned ONVOY, LLC 224C HARMONY IL
2021-07-14 618-852-3XXX 3000–3999Assigned ONVOY, LLC 224C NEWTON IL
2021-07-14 618-852-4XXX 4000–4999Assigned ONVOY, LLC 224C NEWTON IL
2021-07-14 618-863-4XXX 4000–4999Assigned ONVOY, LLC 224C CALHOUN 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.