NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

17 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 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
2009-02-06 650-720-3XXX 3000–3999Assigned METROPCS, INC. 5562 HALFMOONBY CA
2009-01-29 650-993-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2009-01-29 650-993-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2009-01-20 650-318-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MT VIEW CA
2009-01-20 650-318-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 MT VIEW CA
2008-12-29 650-758-8XXX 8000–8999Assigned METROPCS, INC. 5562 SNFC JUNPR CA
2008-12-29 650-898-4XXX 4000–4999Assigned METROPCS, INC. 5562 PACIFICA CA
2008-12-18 650-471-5XXX 5000–5999Assigned METROPCS, INC. 5562 LOS ALTOS CA
2008-12-18 650-690-4XXX 4000–4999Assigned METROPCS, INC. 5562 PALO ALTO CA
2008-12-17 650-453-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SNCRL-BLMT CA
2008-12-17 650-469-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E LOS ALTOS CA
2008-12-17 650-530-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E WOODSIDE CA
2008-12-17 650-605-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MT VIEW CA
2008-12-17 650-648-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MILLBRAE CA
2008-12-17 650-720-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E HALFMOONBY CA
2008-12-17 650-898-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PACIFICA CA
2008-11-24 650-763-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 SSNFRNCSCO CA
2008-11-21 650-458-1XXX 1000–1999Assigned METROPCS, INC. 5562 SAN MATEO CA
2008-11-20 650-212-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C SAN MATEO CA
2008-11-20 650-477-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C SAN MATEO CA
2008-11-20 650-477-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C SAN MATEO CA
2008-11-20 650-550-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2008-11-20 650-731-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C SNFC JUNPR CA
2008-11-13 650-209-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 LOS ALTOS CA
2008-11-13 650-716-3XXX 3000–3999Assigned METROPCS, INC. 5562 REDWOOD CY CA
2008-11-13 650-754-3XXX 3000–3999Assigned METROPCS, INC. 5562 SSNFRNCSCO CA
2008-11-07 650-384-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PALO ALTO CA
2008-11-06 650-426-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MT VIEW CA
2008-11-05 650-993-4XXX 4000–4999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L SNFC JUNPR CA
2008-10-22 650-395-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E REDWOOD CY CA
2008-10-22 650-450-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E MT VIEW CA
2008-10-22 650-866-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SSNFRNCSCO CA
2008-10-22 650-918-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SAN MATEO CA
2008-10-22 650-918-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E SAN MATEO CA
2008-10-22 650-924-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PALO ALTO CA
2008-10-22 650-924-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - CA 981E PALO ALTO CA
2008-10-20 650-241-6XXX 6000–6999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J REDWOOD CY CA
2008-10-20 650-314-7XXX 7000–7999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J MT VIEW CA
2008-10-20 650-362-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 REDWOOD CY CA
2008-10-20 650-458-2XXX 2000–2999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SAN MATEO CA
2008-10-20 650-577-3XXX 3000–3999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 SAN MATEO CA
2008-10-20 650-737-4XXX 4000–4999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SSNFRNCSCO CA
2008-10-20 650-847-1XXX 1000–1999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L PALO ALTO CA
2008-10-20 650-870-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 SSNFRNCSCO CA
2008-10-20 650-879-5XXX 5000–5999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 PESCADERO CA
2008-10-06 650-597-1XXX 1000–1999Assigned UTILITY TELECOM GROUP, LLC - CA 9262 SNCRL-BLMT CA
2008-10-01 650-683-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C WOODSIDE CA
2008-09-30 650-676-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SSNFRNCSCO CA
2008-09-30 650-676-8XXX 8000–8999Assigned ONVOY, LLC - CA 649C SSNFRNCSCO CA
2008-09-30 650-754-4XXX 4000–4999Assigned ONVOY, LLC - CA 649C SSNFRNCSCO 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.