NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

1 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 972
NEW CINGULAR WIRELESS PCS, LLC - IL 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
2022-04-28 972-634-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C ALLEN TX
2022-04-28 972-634-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C ALLEN TX
2022-04-19 972-460-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H CEDAR HILL TX
2022-04-19 972-460-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H CEDAR HILL TX
2022-04-19 972-460-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H CEDAR HILL TX
2022-03-28 972-586-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H DLFTWTARPT TX
2022-02-24 972-970-0XXX 0000–0999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-24 972-970-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C GRANDPRARI TX
2021-12-29 972-688-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-29 972-688-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-12-15 972-688-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C PLANO TX
2021-12-13 972-327-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K TERRELL TX
2021-12-10 972-493-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H MILFORD TX
2021-11-21 972-218-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-447-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-493-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H MILFORD TX
2021-11-21 972-493-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H MILFORD TX
2021-11-21 972-493-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H MILFORD TX
2021-11-21 972-493-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H MILFORD TX
2021-11-21 972-671-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-671-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-682-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-763-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-776-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-808-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-818-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-21 972-851-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-11-19 972-312-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-11-19 972-312-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-11-19 972-312-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-11-19 972-312-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-11-19 972-312-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H PLANO TX
2021-11-04 972-688-8XXX 8000–8999Assigned HD CARRIER LLC 321J PLANO TX
2021-11-04 972-688-9XXX 9000–9999Assigned HD CARRIER LLC 321J PLANO TX
2021-10-11 972-818-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-10-11 972-818-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H DALLAS TX
2021-09-15 972-325-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C SEAGOVILLE TX

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.