NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

6 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 626
ONVOY, LLC - CA 3
HD CARRIER LLC 3
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
2019-11-15 626-747-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EL MONTE CA
2019-11-15 626-774-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EL MONTE CA
2019-11-15 626-774-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EL MONTE CA
2019-11-05 626-556-1XXX 1000–1999Assigned BLUIP, INC. 819H ALHAMBRA CA
2019-10-03 626-546-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-10-03 626-546-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-10-03 626-546-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-10-03 626-546-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-10-03 626-546-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-10-02 626-519-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2019-10-02 626-519-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2019-10-02 626-519-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2019-10-02 626-519-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2019-09-30 626-292-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2019-09-04 626-517-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 PSDN PSDN CA
2019-08-30 626-292-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-30 626-292-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-30 626-342-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-30 626-418-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-30 626-766-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-22 626-517-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 PSDN PSDN CA
2019-08-16 626-517-0XXX 0000–0999Assigned TELNYX LLC 073H PSDN PSDN CA
2019-08-15 626-557-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E ALHAMBRA CA
2019-08-13 626-263-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C MONROVIA CA
2019-08-13 626-517-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C PSDN PSDN CA
2019-08-07 626-546-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2019-08-07 626-546-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2019-08-05 626-461-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2019-08-05 626-501-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 EL MONTE CA
2019-08-05 626-501-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 EL MONTE CA
2019-08-05 626-501-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 EL MONTE CA
2019-08-05 626-538-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2019-08-01 626-614-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-08-01 626-866-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2019-07-29 626-517-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 PSDN PSDN CA
2019-07-29 626-517-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 PSDN PSDN CA
2019-07-29 626-517-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 PSDN PSDN CA
2019-07-24 626-567-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 PSDN PSDN CA
2019-07-09 626-268-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-07-09 626-268-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-07-09 626-268-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ARCADIA CA
2019-07-09 626-505-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AZUSA CA
2019-07-09 626-516-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AZUSA CA
2019-07-09 626-516-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AZUSA CA
2019-07-09 626-516-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 AZUSA CA

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.