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
2019-08-15 972-945-1XXX 1000–1999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F JOSEPHINE TX
2019-08-12 972-961-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F ROCKWALL TX
2019-07-30 972-430-3XXX 3000–3999Assigned TELNYX LLC 073H BLUE RIDGE TX
2019-07-11 972-346-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F PROSPER TX
2019-06-27 972-799-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-06-27 972-799-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-06-25 972-821-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 IRVING TX
2019-06-25 972-957-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 IRVING TX
2019-06-24 972-381-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 DALLAS TX
2019-06-24 972-503-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 DALLAS TX
2019-06-24 972-720-0XXX 0000–0999Assigned METROPCS, INC. 5562 DALLAS TX
2019-06-19 972-666-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 BRISTOL TX
2019-06-05 972-703-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F TERRELL TX
2019-06-04 972-433-2XXX 2000–2999Assigned CSC WIRELESS, LLC 425J PROSPER TX
2019-06-04 972-433-3XXX 3000–3999Assigned CSC WIRELESS, LLC 425J PROSPER TX
2019-06-04 972-433-4XXX 4000–4999Assigned CSC WIRELESS, LLC 425J PROSPER TX
2019-05-29 972-645-0XXX 0000–0999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F ITALY TX
2019-05-29 972-945-0XXX 0000–0999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F JOSEPHINE TX
2019-05-22 972-913-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-05-22 972-930-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-05-07 972-360-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F CARROLLTON TX
2019-05-03 972-544-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FERRIS TX
2019-04-30 972-703-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F TERRELL TX
2019-04-29 972-430-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BLUE RIDGE TX
2019-04-26 972-779-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F CEDAR HILL TX
2019-04-02 972-761-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-04-02 972-918-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-04-02 972-942-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-03-12 972-842-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - TX 6114 FERRIS TX
2019-03-04 972-961-2XXX 2000–2999Assigned TELNYX LLC 073H ROCKWALL TX
2019-02-06 972-685-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F DALLAS TX
2019-01-29 972-703-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - TX 7148 TERRELL TX
2019-01-15 972-415-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-01-15 972-626-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-01-15 972-626-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2019-01-03 972-292-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2019-01-03 972-370-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2018-12-20 972-703-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 TERRELL TX
2018-12-20 972-703-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 TERRELL TX
2018-12-10 972-295-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2018-11-20 972-544-1XXX 1000–1999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F FERRIS TX
2018-11-02 972-666-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BRISTOL TX
2018-10-24 972-842-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F FERRIS TX
2018-09-25 972-945-3XXX 3000–3999Assigned PEERLESS NETWORK OF TEXAS, LLC - TX 177F JOSEPHINE TX
2018-09-18 972-330-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ENNIS TX
2018-08-24 972-903-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WAXAHACHIE TX
2018-08-20 972-430-9XXX 9000–9999Assigned TELNYX LLC 073H BLUE RIDGE TX
2018-08-01 972-504-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2018-08-01 972-504-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 GRANDPRARI TX
2018-07-27 972-430-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - TX 004F BLUE RIDGE 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.