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 480
TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 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
2019-11-14 480-660-8XXX 8000–8999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-11-14 480-660-9XXX 9000–9999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-11-05 480-660-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PHOENIX AZ
2019-10-29 480-601-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-29 480-601-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-14 480-573-6XXX 6000–6999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-10-14 480-573-7XXX 7000–7999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-10-14 480-573-8XXX 8000–8999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-10-14 480-573-9XXX 9000–9999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-10-09 480-637-8XXX 8000–8999Assigned METROPCS, INC. 5562 PHOENIX AZ
2019-10-09 480-637-9XXX 9000–9999Assigned METROPCS, INC. 5562 PHOENIX AZ
2019-10-08 480-549-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-10-08 480-651-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-18 480-660-1XXX 1000–1999Assigned EXIANT COMMUNICATIONS LLC 114J PHOENIX AZ
2019-09-16 480-594-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-594-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 6572 PHOENIX AZ
2019-09-16 480-955-5XXX 5000–5999Assigned FRACTEL, LLC 965H PHOENIX AZ
2019-09-10 480-637-2XXX 2000–2999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-09-10 480-637-3XXX 3000–3999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-09-10 480-637-4XXX 4000–4999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-09-10 480-637-5XXX 5000–5999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-09-10 480-637-7XXX 7000–7999Assigned ONVOY, LLC - AZ 630E PHOENIX AZ
2019-08-28 480-573-0XXX 0000–0999Assigned VOIP INNOVATIONS, LLC 597F PHOENIX AZ
2019-08-23 480-573-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHOENIX AZ
2019-08-23 480-573-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHOENIX AZ
2019-08-19 480-637-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - AZ 7217 PHOENIX AZ
2019-08-15 480-581-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - AZ 587F PHOENIX AZ
2019-08-15 480-581-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - AZ 587F PHOENIX AZ
2019-08-15 480-581-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - AZ 587F PHOENIX AZ
2019-08-15 480-581-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - AZ 587F PHOENIX AZ
2019-08-15 480-581-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - AZ 587F PHOENIX AZ
2019-08-13 480-581-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - AZ 3285 PHOENIX AZ
2019-08-13 480-581-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - AZ 3285 PHOENIX AZ
2019-08-13 480-581-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - AZ 3285 PHOENIX AZ

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.