NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

1 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 773
ONVOY, 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
2021-04-22 773-635-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN06 IL
2021-04-22 773-635-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN06 IL
2021-04-22 773-920-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN06 IL
2021-04-07 773-362-1XXX 1000–1999Assigned TERRA NOVA TELECOM INC. 145J CHICGOZN08 IL
2021-03-02 773-915-6XXX 6000–6999Assigned TELNYX LLC 073H CHICGOZN07 IL
2021-02-23 773-977-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - IL 6115 CHICGOZN02 IL
2021-02-05 773-667-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2021-02-05 773-726-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2021-02-05 773-808-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2021-02-05 773-873-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2021-02-05 773-915-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-12-21 773-285-6XXX 6000–6999Assigned TELNYX LLC 073H CHICGOZN07 IL
2020-12-18 773-277-7XXX 7000–7999Assigned TERRA NOVA TELECOM INC. 145J CHICGOZN06 IL
2020-12-18 773-487-7XXX 7000–7999Assigned TERRA NOVA TELECOM INC. 145J CHICGOZN07 IL
2020-12-18 773-997-7XXX 7000–7999Assigned TERRA NOVA TELECOM INC. 145J CHICGOZN02 IL
2020-10-14 773-808-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-10-14 773-873-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-10-14 773-873-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-10-13 773-241-7XXX 7000–7999Assigned TELNYX LLC 073H CHICGOZN07 IL
2020-10-12 773-302-8XXX 8000–8999Assigned TELNYX LLC 073H CHICGOZN02 IL
2020-10-12 773-389-7XXX 7000–7999Assigned TELNYX LLC 073H CHICGOZN09 IL
2020-10-08 773-389-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN09 IL
2020-10-08 773-389-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN09 IL
2020-10-08 773-739-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN02 IL
2020-10-08 773-800-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN02 IL
2020-10-08 773-997-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN02 IL
2020-09-09 773-219-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-09-09 773-798-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-09-09 773-798-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-09-09 773-798-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN07 IL
2020-09-08 773-695-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
2020-08-26 773-346-9XXX 9000–9999Assigned STRATUS NETWORKS 495J CHICGOZN06 IL
2020-08-26 773-379-6XXX 6000–6999Assigned STRATUS NETWORKS 495J CHICGOZN05 IL
2020-08-26 773-389-9XXX 9000–9999Assigned STRATUS NETWORKS 495J CHICGOZN09 IL
2020-08-25 773-548-9XXX 9000–9999Assigned STRATUS NETWORKS 495J CHICGOZN07 IL
2020-08-24 773-645-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN04 IL
2020-08-24 773-862-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN04 IL
2020-08-24 773-938-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN04 IL
2020-07-15 773-923-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
2020-07-15 773-923-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
2020-07-15 773-923-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL
2020-07-14 773-922-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E CHICGOZN05 IL
2020-07-08 773-923-0XXX 0000–0999Assigned ONVOY, LLC 224C CHICGOZN03 IL
2020-07-08 773-923-1XXX 1000–1999Assigned ONVOY, LLC 224C CHICGOZN03 IL
2020-07-08 773-923-2XXX 2000–2999Assigned ONVOY, LLC 224C CHICGOZN03 IL
2020-07-08 773-923-3XXX 3000–3999Assigned ONVOY, LLC 224C CHICGOZN03 IL
2020-06-19 773-920-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN06 IL
2020-06-17 773-541-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN02 IL
2020-06-17 773-654-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H CHICGOZN02 IL
2020-05-04 773-923-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN03 IL

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.