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
2015-07-30 626-346-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 LA PUENTE CA
2015-07-30 626-346-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 LA PUENTE CA
2015-07-30 626-662-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2015-07-30 626-662-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2015-07-30 626-662-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2015-07-30 626-662-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2015-07-30 626-662-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ARCADIA CA
2015-07-28 626-346-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K LA PUENTE CA
2015-07-27 626-714-4XXX 4000–4999Assigned LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 7718 PSDN PSDN CA
2015-07-21 626-346-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LA PUENTE CA
2015-07-21 626-346-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LA PUENTE CA
2015-07-21 626-346-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LA PUENTE CA
2015-07-21 626-365-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PSDN PSDN CA
2015-07-21 626-658-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PSDN PSDN CA
2015-07-21 626-658-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PSDN PSDN CA
2015-07-21 626-658-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PSDN PSDN CA
2015-07-21 626-714-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PSDN PSDN CA
2015-07-20 626-662-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C ARCADIA CA
2015-07-16 626-803-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 MONROVIA CA
2015-07-16 626-803-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MONROVIA CA
2015-07-16 626-873-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 MONROVIA CA
2015-07-08 626-385-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 AZUSA CA
2015-07-08 626-714-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 PSDN PSDN CA
2015-07-06 626-205-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MONROVIA CA
2015-07-06 626-205-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MONROVIA CA
2015-07-06 626-217-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA PUENTE CA
2015-07-06 626-362-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA PUENTE CA
2015-07-06 626-362-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA PUENTE CA
2015-07-06 626-362-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LA PUENTE CA
2015-07-06 626-708-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SIERRAMADR CA
2015-06-30 626-364-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 COVINA CA
2015-06-30 626-464-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-30 626-464-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-30 626-464-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-30 626-554-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-30 626-554-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-30 626-554-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-30 626-554-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-30 626-554-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-30 626-554-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 ALHAMBRA CA
2015-06-23 626-804-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 AZUSA CA
2015-06-23 626-804-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 AZUSA CA
2015-06-19 626-365-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K PSDN PSDN CA
2015-06-11 626-346-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J LA PUENTE CA
2015-06-11 626-554-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-11 626-554-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-11 626-554-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-11 626-554-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALHAMBRA CA
2015-06-10 626-464-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ALHAMBRA CA
2015-06-08 626-658-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 PSDN PSDN 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.