NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

1 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 209
ONVOY, LLC - CA 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
2014-03-07 209-790-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 IONE CA
2014-03-06 209-325-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MERCED CA
2014-03-06 209-353-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-03-05 209-252-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 TURLOCK CA
2014-03-04 209-292-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 STOCKTON CA
2014-03-04 209-355-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-03-04 209-355-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-03-03 209-325-1XXX 1000–1999Assigned PACIFIC BELL 9740 MERCED CA
2014-03-03 209-325-2XXX 2000–2999Assigned PACIFIC BELL 9740 MERCED CA
2014-02-28 209-252-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E TURLOCK CA
2014-02-27 209-900-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MODESTO CA
2014-02-25 209-678-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E TURLOCK CA
2014-02-24 209-208-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E KNIGHTFRRY CA
2014-02-24 209-215-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E GUSTINE CA
2014-02-24 209-260-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E HERALD CA
2014-02-24 209-400-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LODI CA
2014-02-11 209-213-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 SNRA MAIN CA
2014-02-05 209-694-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNRA MAIN CA
2014-02-05 209-890-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANGELSCAMP CA
2014-02-05 209-917-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LE GRAND CA
2014-01-23 209-353-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-01-23 209-353-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-01-21 209-276-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 ATWATER CA
2014-01-17 209-294-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LODI CA
2014-01-14 209-400-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LODI CA
2014-01-09 209-292-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 STOCKTON CA
2013-12-31 209-841-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 OAKDALE CA
2013-12-13 209-283-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 JACKSON CA
2013-12-11 209-353-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MODESTO CA
2013-12-11 209-353-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MODESTO CA
2013-12-11 209-353-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MODESTO CA
2013-12-11 209-353-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MODESTO CA
2013-12-11 209-353-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MODESTO CA
2013-12-11 209-396-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SNRA MAIN CA
2013-12-11 209-680-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PLYMOUTH CA
2013-12-11 209-920-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E VALLEY SPG CA
2013-12-06 209-890-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7128 ANGELSCAMP CA
2013-12-05 209-917-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LE GRAND CA
2013-12-04 209-407-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 TRACY CA
2013-11-27 209-292-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 STOCKTON CA
2013-11-27 209-292-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 STOCKTON CA
2013-11-27 209-292-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 STOCKTON CA
2013-11-26 209-591-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 7128 SNRA MAIN CA
2013-11-26 209-647-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MANTECA CA
2013-11-14 209-924-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C RIPON CA
2013-11-11 209-665-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MANTECA CA
2013-11-06 209-500-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MERCED CA
2013-11-06 209-730-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 GALT CA
2013-11-06 209-910-0XXX 0000–0999Assigned AT&T ENTERPRISES, LLC 516C STOCKTON CA
2013-11-04 209-300-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C MODESTO CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.