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
2020-03-26 972-209-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-03-26 972-209-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-03-26 972-209-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-03-26 972-209-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-03-26 972-209-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-02-07 972-486-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F SCURRY TX
2020-02-03 972-357-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FORNEY TX
2020-01-14 972-645-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C ITALY TX
2020-01-14 972-645-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C ITALY TX
2020-01-14 972-945-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2020-01-14 972-945-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2020-01-14 972-945-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2020-01-14 972-945-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2020-01-14 972-945-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2020-01-14 972-945-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C JOSEPHINE TX
2019-12-20 972-462-4XXX 4000–4999Assigned METROPCS, INC. 5562 LEWISVILLE TX
2019-12-20 972-792-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 DALLAS TX
2019-12-13 972-666-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C BRISTOL TX
2019-12-13 972-666-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C BRISTOL TX
2019-12-03 972-433-6XXX 6000–6999Assigned TELNYX LLC 073H PROSPER TX
2019-11-22 972-777-0XXX 0000–0999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-1XXX 1000–1999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-22 972-777-9XXX 9000–9999Assigned ONVOY, LLC - TX 903C DALLAS TX
2019-11-20 972-645-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 ITALY TX
2019-11-19 972-777-7XXX 7000–7999Assigned USFON, INC. - TX 473F DALLAS TX
2019-11-19 972-777-8XXX 8000–8999Assigned USFON, INC. - TX 473F DALLAS TX
2019-10-02 972-645-7XXX 7000–7999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F ITALY TX
2019-09-25 972-430-5XXX 5000–5999Assigned ONVOY, LLC - TX 903C BLUE RIDGE TX
2019-09-25 972-430-6XXX 6000–6999Assigned ONVOY, LLC - TX 903C BLUE RIDGE TX
2019-09-25 972-430-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C BLUE RIDGE TX
2019-09-25 972-645-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C ITALY TX
2019-09-25 972-645-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C ITALY TX
2019-09-25 972-645-4XXX 4000–4999Assigned ONVOY, LLC - TX 903C ITALY TX
2019-09-13 972-799-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-08-29 972-825-0XXX 0000–0999Assigned METROPCS, INC. 5562 WAXAHACHIE TX
2019-08-28 972-945-2XXX 2000–2999Assigned TELNYX LLC 073H JOSEPHINE TX
2019-08-27 972-382-0XXX 0000–0999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 CELINA TX
2019-08-19 972-799-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-19 972-799-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 GRANDPRARI TX
2019-08-16 972-200-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F 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.