NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

14 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 805
ONVOY, LLC - CA 11
TELNYX LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 1
BANDWIDTH.COM CLEC, 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
2011-07-19 805-318-1XXX 1000–1999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L CARPINTRIA CA
2011-07-19 805-380-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CONEJO CA
2011-07-19 805-603-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CAMARILLO CA
2011-07-19 805-770-3XXX 3000–3999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L SANBARBARA CA
2011-07-19 805-819-1XXX 1000–1999Assigned METROPCS, INC. 5562 LOMPOC CA
2011-07-19 805-994-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ARROYOGRND CA
2011-07-14 805-675-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J SATICOY CA
2011-07-13 805-603-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CAMARILLO CA
2011-07-06 805-229-5XXX 5000–5999Assigned METROPCS NETWORKS, LLC 899D SANTAPAULA CA
2011-06-30 805-203-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CAMBRIA CA
2011-06-30 805-203-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CAMBRIA CA
2011-06-30 805-380-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CONEJO CA
2011-06-30 805-603-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CAMARILLO CA
2011-06-28 805-540-2XXX 2000–2999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 SNLUSOBSPO CA
2011-06-13 805-332-1XXX 1000–1999Assigned METROPCS, INC. 5562 SANTAMARIA CA
2011-06-10 805-612-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D OXNARD CA
2011-06-06 805-328-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SIMIVALLEY CA
2011-05-31 805-416-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SIMIVALLEY CA
2011-05-31 805-416-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SIMIVALLEY CA
2011-05-31 805-470-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E ATASCADERO CA
2011-05-31 805-751-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E EL RIO CA
2011-05-26 805-613-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C OAKVIEW CA
2011-05-25 805-319-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 SANBARBARA CA
2011-05-23 805-734-7XXX 7000–7999Assigned METROPCS, INC. 5562 LOMPOC CA
2011-05-20 805-409-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 THOUSAOAKS CA
2011-05-18 805-465-0XXX 0000–0999Assigned TWC IP ENABLED SERVICES, LLC 793K CAMARILLO CA
2011-05-13 805-348-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 SANTAMARIA CA
2011-05-13 805-363-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 SANTAMARIA CA
2011-05-13 805-363-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 SANTAMARIA CA
2011-05-13 805-691-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 SANTA YNEZ CA
2011-05-10 805-323-7XXX 7000–7999Assigned TWC IP ENABLED SERVICES, LLC 793K SATICOY CA
2011-05-10 805-468-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ATASCADERO CA
2011-05-10 805-556-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 PISMOBEACH CA
2011-05-10 805-574-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 ARROYOGRND CA
2011-05-06 805-270-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E ARROYOGRND CA
2011-05-06 805-272-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E OJAI CA
2011-05-06 805-330-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E OXNARD CA
2011-05-06 805-330-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E OXNARD CA
2011-05-06 805-330-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E OXNARD CA
2011-05-06 805-392-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SANTAPAULA CA
2011-05-06 805-410-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E NEWBURYPRK CA
2011-05-06 805-410-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E NEWBURYPRK CA
2011-05-06 805-419-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E CAMARILLO CA
2011-05-06 805-421-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SANTAPAULA CA
2011-05-04 805-845-0XXX 0000–0999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L SANBARBARA CA
2011-05-03 805-364-0XXX 0000–0999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SANBARBARA CA
2011-05-03 805-364-2XXX 2000–2999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SANBARBARA CA
2011-05-03 805-364-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SANBARBARA CA
2011-05-03 805-364-4XXX 4000–4999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SANBARBARA CA
2011-05-03 805-364-5XXX 5000–5999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F SANBARBARA 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.