NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

2 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 909
ONVOY, LLC - 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
2008-05-02 909-222-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C COLTON CA
2008-05-02 909-267-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C CLAREMONT CA
2008-05-02 909-273-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C ARROWHEAD CA
2008-05-02 909-547-9XXX 9000–9999Assigned ONVOY, LLC - CA 649C BIGBEAR CY CA
2008-05-02 909-589-6XXX 6000–6999Assigned ONVOY, LLC - CA 649C CRESTLINE CA
2008-05-02 909-610-3XXX 3000–3999Assigned ONVOY, LLC - CA 649C DIAMONDBAR CA
2008-04-14 909-256-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K UPLAND CA
2008-04-07 909-218-7XXX 7000–7999Assigned TWC IP ENABLED SERVICES, LLC 793K ONTARIO CA
2008-04-07 909-447-0XXX 0000–0999Assigned TWC IP ENABLED SERVICES, LLC 793K CLAREMONT CA
2008-04-07 909-677-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 S BERNDINO CA
2008-04-07 909-677-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 S BERNDINO CA
2008-04-04 909-570-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 CALIMESA CA
2008-03-25 909-235-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 ONTARIO CA
2008-03-25 909-244-1XXX 1000–1999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 UPLAND CA
2008-03-25 909-963-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J S BERNDINO CA
2008-03-13 909-253-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 REDLANDS CA
2008-03-07 909-222-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 COLTON CA
2008-03-07 909-222-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 COLTON CA
2008-03-07 909-222-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 COLTON CA
2008-03-03 909-247-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 CHINO CA
2008-02-29 909-233-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 RIALTO CA
2008-02-26 909-733-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D S BERNDINO CA
2008-02-22 909-255-7XXX 7000–7999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J REDLANDS CA
2008-02-22 909-255-8XXX 8000–8999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J REDLANDS CA
2008-02-22 909-267-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 CLAREMONT CA
2008-02-08 909-222-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J COLTON CA
2008-02-08 909-689-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 ETIWANDA CA
2008-02-07 909-251-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 FONTANA CA
2008-02-07 909-251-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 FONTANA CA
2008-02-07 909-251-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 FONTANA CA
2008-02-05 909-763-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K S BERNDINO CA
2008-02-05 909-763-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K S BERNDINO CA
2008-02-05 909-894-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K REDLANDS CA
2008-01-28 909-252-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 S BERNDINO CA
2008-01-28 909-252-5XXX 5000–5999Assigned FRONTIER CALIFORNIA INC. 2319 S BERNDINO CA
2008-01-21 909-212-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - CA 8826 ONTARIO CA
2008-01-15 909-217-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CHINO CA
2008-01-15 909-217-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CHINO CA
2008-01-15 909-217-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CHINO CA
2008-01-15 909-217-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 CHINO CA
2008-01-11 909-233-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RIALTO CA
2008-01-11 909-367-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 UPLAND CA
2008-01-11 909-367-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 UPLAND CA
2008-01-08 909-809-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDLANDS CA
2008-01-04 909-222-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 COLTON CA
2008-01-04 909-222-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 COLTON CA
2008-01-03 909-218-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D ONTARIO CA
2008-01-03 909-218-6XXX 6000–6999Assigned METROPCS NETWORKS, LLC 899D ONTARIO CA
2008-01-03 909-677-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D S BERNDINO CA
2007-12-26 909-362-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 HIGHLAND 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.