NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

17 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 650
ONVOY, LLC - CA 11
T-MOBILE USA, INC. 4
BANDWIDTH.COM CLEC, LLC - CA 2
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
2019-01-04 650-254-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MT VIEW CA
2019-01-04 650-439-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MT VIEW CA
2018-12-17 650-414-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7145 REDWOOD CY CA
2018-12-17 650-536-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-4XXX 4000–4999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-17 650-536-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2018-12-03 650-420-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PACIFICA CA
2018-11-29 650-216-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C REDWOOD CY CA
2018-11-29 650-309-0XXX 0000–0999Assigned ONVOY, LLC - CA 649C HALFMOONBY CA
2018-11-29 650-309-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C HALFMOONBY CA
2018-11-29 650-362-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C REDWOOD CY CA
2018-11-29 650-379-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C SSNFRNCSCO CA
2018-11-29 650-379-4XXX 4000–4999Assigned ONVOY, LLC - CA 649C SSNFRNCSCO CA
2018-11-29 650-398-0XXX 0000–0999Assigned ONVOY, LLC - CA 649C SAN MATEO CA
2018-11-29 650-398-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C SAN MATEO CA
2018-11-29 650-405-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C LOS ALTOS CA
2018-11-29 650-405-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C LOS ALTOS CA
2018-11-29 650-419-0XXX 0000–0999Assigned ONVOY, LLC - CA 649C LA HONDA CA
2018-11-29 650-420-0XXX 0000–0999Assigned ONVOY, LLC - CA 649C PACIFICA CA
2018-11-29 650-420-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C PACIFICA CA
2018-11-29 650-487-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C LA HONDA CA
2018-11-29 650-535-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C MOSS BEACH CA
2018-11-29 650-535-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C MOSS BEACH CA
2018-11-29 650-538-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C PESCADERO CA
2018-11-29 650-538-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C PESCADERO CA
2018-11-29 650-623-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C MT VIEW CA
2018-11-29 650-632-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C SNCRL-BLMT CA
2018-11-29 650-632-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C SNCRL-BLMT CA
2018-11-29 650-683-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C WOODSIDE CA
2018-11-29 650-683-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C WOODSIDE CA
2018-11-29 650-686-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C MILLBRAE CA
2018-11-29 650-686-5XXX 5000–5999Assigned ONVOY, LLC - CA 649C MILLBRAE CA
2018-11-29 650-709-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C PALO ALTO CA
2018-11-29 650-709-2XXX 2000–2999Assigned ONVOY, LLC - CA 649C PALO ALTO CA
2018-11-29 650-960-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C MT VIEW CA
2018-11-21 650-405-1XXX 1000–1999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F LOS ALTOS CA
2018-11-21 650-747-3XXX 3000–3999Assigned PEERLESS NETWORK OF CALIFORNIA, LLC - CA 373F LA HONDA CA
2018-11-16 650-439-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MT VIEW CA
2018-11-05 650-832-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SNCRL-BLMT CA
2018-10-26 650-709-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PALO ALTO CA
2018-10-17 650-379-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 SSNFRNCSCO CA
2018-10-08 650-839-6XXX 6000–6999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L REDWOOD CY CA
2018-10-04 650-439-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MT VIEW CA
2018-10-04 650-709-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 PALO ALTO CA
2018-10-02 650-398-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 SAN MATEO 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.