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 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
2018-09-25 209-379-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F YOSEMITE CA
2018-09-25 209-878-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F COULTERVL CA
2018-09-19 209-455-1XXX 1000–1999Assigned METROPCS, INC. 5562 MERCED CA
2018-09-19 209-455-2XXX 2000–2999Assigned METROPCS, INC. 5562 MERCED CA
2018-09-19 209-587-2XXX 2000–2999Assigned METROPCS, INC. 5562 LOS BANOS CA
2018-09-19 209-592-4XXX 4000–4999Assigned METROPCS, INC. 5562 LOS BANOS CA
2018-09-13 209-307-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C STOCKTON CA
2018-09-13 209-307-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C STOCKTON CA
2018-08-30 209-488-4XXX 4000–4999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L MODESTO CA
2018-08-28 209-965-6XXX 6000–6999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F PINECREST CA
2018-08-21 209-314-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 GALT CA
2018-08-17 209-488-9XXX 9000–9999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-1XXX 1000–1999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-2XXX 2000–2999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-3XXX 3000–3999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-4XXX 4000–4999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-5XXX 5000–5999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-301-6XXX 6000–6999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-14 209-458-7XXX 7000–7999Assigned METROPCS, INC. 5562 MODESTO CA
2018-08-08 209-301-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C MODESTO CA
2018-08-08 209-301-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C MODESTO CA
2018-08-06 209-828-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 LOS BANOS CA
2018-07-31 209-305-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MANTECA CA
2018-07-30 209-854-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 GUSTINE CA
2018-07-10 209-307-0XXX 0000–0999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-10 209-307-1XXX 1000–1999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-10 209-307-2XXX 2000–2999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-10 209-307-3XXX 3000–3999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-10 209-307-4XXX 4000–4999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-10 209-307-5XXX 5000–5999Assigned METROPCS, INC. 5562 STOCKTON CA
2018-07-09 209-237-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TRACY CA
2018-07-09 209-695-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PATTERSON CA
2018-06-25 209-301-0XXX 0000–0999Assigned METROPCS, INC. 5562 MODESTO CA
2018-06-25 209-301-9XXX 9000–9999Assigned METROPCS, INC. 5562 MODESTO CA
2018-06-25 209-592-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 LOS BANOS CA
2018-06-22 209-592-3XXX 3000–3999Assigned METROPCS, INC. 5562 LOS BANOS CA
2018-06-13 209-638-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 TURLOCK CA
2018-06-13 209-638-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 TURLOCK CA
2018-06-12 209-219-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C ATWATER CA
2018-06-12 209-219-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C ATWATER CA
2018-06-11 209-458-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MODESTO CA
2018-06-07 209-458-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MODESTO CA
2018-05-30 209-458-0XXX 0000–0999Assigned METROPCS, INC. 5562 MODESTO CA
2018-05-30 209-458-1XXX 1000–1999Assigned METROPCS, INC. 5562 MODESTO CA
2018-05-30 209-458-2XXX 2000–2999Assigned METROPCS, INC. 5562 MODESTO CA
2018-05-30 209-458-3XXX 3000–3999Assigned METROPCS, INC. 5562 MODESTO CA
2018-05-30 209-458-4XXX 4000–4999Assigned METROPCS, INC. 5562 MODESTO CA
2018-05-02 209-395-3XXX 3000–3999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L STOCKTON CA
2018-05-01 209-441-1XXX 1000–1999Assigned TELNYX LLC 073H WTFR DNPR CA
2018-05-01 209-757-1XXX 1000–1999Assigned TELNYX LLC 073H FARMINGTON 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.