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
2014-10-16 209-326-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 ATWATER CA
2014-10-15 209-355-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-10-15 209-398-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 LIVINGSTON CA
2014-10-15 209-650-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TRACY CA
2014-10-14 209-650-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 TRACY CA
2014-10-14 209-689-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 STOCKTON CA
2014-10-14 209-737-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LOS BANOS CA
2014-10-09 209-284-0XXX 0000–0999Assigned AT&T ENTERPRISES, LLC 516C MODESTO CA
2014-10-02 209-353-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C MODESTO CA
2014-10-02 209-353-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C MODESTO CA
2014-10-02 209-671-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PINECREST CA
2014-10-01 209-886-3XXX 3000–3999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 FARMINGTON CA
2014-09-30 209-284-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MODESTO CA
2014-09-29 209-689-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 STOCKTON CA
2014-09-29 209-689-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 STOCKTON CA
2014-09-23 209-326-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ATWATER CA
2014-09-23 209-326-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ATWATER CA
2014-09-23 209-328-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 MANTECA CA
2014-09-23 209-689-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 STOCKTON CA
2014-09-23 209-689-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 STOCKTON CA
2014-09-22 209-650-6XXX 6000–6999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L TRACY CA
2014-09-18 209-689-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C STOCKTON CA
2014-09-18 209-689-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C STOCKTON CA
2014-09-18 209-689-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 STOCKTON CA
2014-09-18 209-715-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 STOCKTON CA
2014-09-18 209-715-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 STOCKTON CA
2014-09-18 209-822-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANGELSCAMP CA
2014-09-17 209-737-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LOS BANOS CA
2014-09-16 209-661-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MODESTO CA
2014-09-12 209-215-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C GUSTINE CA
2014-09-12 209-215-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C GUSTINE CA
2014-09-11 209-260-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C HERALD CA
2014-09-11 209-260-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C HERALD CA
2014-09-11 209-387-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J DOS PALOS CA
2014-09-05 209-857-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-09-05 209-857-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-09-05 209-857-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-09-05 209-857-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MODESTO CA
2014-08-29 209-276-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 ATWATER CA
2014-08-29 209-355-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-08-29 209-355-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MERCED CA
2014-08-29 209-650-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TRACY CA
2014-08-29 209-715-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 STOCKTON CA
2014-08-29 209-822-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ANGELSCAMP CA
2014-08-28 209-689-0XXX 0000–0999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F STOCKTON CA
2014-08-28 209-850-9XXX 9000–9999Assigned AT&T ENTERPRISES, LLC 516C TURLOCK CA
2014-08-27 209-244-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 STOCKTON CA
2014-08-26 209-206-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 TUOLUMNE CA
2014-08-22 209-844-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 OAKDALE CA
2014-08-20 209-780-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 GUSTINE 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.