NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 360
EXIANT COMMUNICATIONS LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 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
2020-04-30 360-974-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F OLYMPIA WA
2020-04-23 360-502-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MARYSVILLE WA
2020-04-23 360-913-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MARYSVILLE WA
2020-04-20 360-822-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F SNOHOMISH WA
2020-04-13 360-795-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K CATHLAMET WA
2020-04-09 360-826-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
2020-04-07 360-919-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 BREMERTON WA
2020-04-02 360-370-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - WA 7146 SAN JUAN WA
2020-04-02 360-565-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 PT ANGELES WA
2020-04-02 360-968-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SHELTON WA
2020-03-30 360-660-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 ABERDEEN WA
2020-03-26 360-206-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 CENTRALIA WA
2020-03-24 360-995-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J OLYMPIA WA
2020-03-23 360-506-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 CENTRALIA WA
2020-03-23 360-995-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2020-03-23 360-995-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2020-03-12 360-404-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J MT VERNON WA
2020-03-12 360-684-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J WHATCOMCTY WA
2020-03-09 360-812-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2020-03-09 360-815-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2020-03-09 360-815-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2020-03-09 360-820-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2020-03-09 360-820-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2020-03-06 360-809-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 PT ANGELES WA
2020-03-06 360-916-7XXX 7000–7999Assigned METROPCS, INC. 5562 LONGVIEW WA
2020-03-05 360-743-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J ABERDEEN WA
2020-02-26 360-919-0XXX 0000–0999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F BREMERTON WA
2020-02-07 360-230-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E MT VERNON WA
2020-02-07 360-230-7XXX 7000–7999Assigned ONVOY, LLC - WA 483E MT VERNON WA
2020-02-07 360-506-3XXX 3000–3999Assigned ONVOY, LLC - WA 483E CENTRALIA WA
2020-02-07 360-543-4XXX 4000–4999Assigned ONVOY, LLC - WA 483E WHATCOMCTY WA
2020-02-07 360-809-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E PT ANGELES WA
2020-02-07 360-809-7XXX 7000–7999Assigned ONVOY, LLC - WA 483E PT ANGELES WA
2020-02-07 360-919-1XXX 1000–1999Assigned ONVOY, LLC - WA 483E BREMERTON WA
2020-02-07 360-919-2XXX 2000–2999Assigned ONVOY, LLC - WA 483E BREMERTON WA
2020-02-06 360-818-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 CAMAS WA
2020-02-05 360-995-1XXX 1000–1999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F OLYMPIA WA
2020-01-21 360-641-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 ASHFORD WA
2020-01-16 360-233-3XXX 3000–3999Assigned ONVOY, LLC - WA 483E BELFAIR WA
2020-01-16 360-233-5XXX 5000–5999Assigned ONVOY, LLC - WA 483E BELFAIR WA
2020-01-16 360-382-8XXX 8000–8999Assigned ONVOY, LLC - WA 483E PTTOWNSEND WA
2020-01-16 360-505-5XXX 5000–5999Assigned ONVOY, LLC - WA 483E GRAYHARBCO WA
2020-01-16 360-585-5XXX 5000–5999Assigned ONVOY, LLC - WA 483E CRYSTAL MT WA
2020-01-16 360-677-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E SKYKOMISH WA
2020-01-16 360-745-4XXX 4000–4999Assigned ONVOY, LLC - WA 483E PORTLUDLOW WA
2020-01-15 360-946-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2020-01-15 360-946-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2020-01-15 360-946-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2020-01-15 360-946-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2020-01-15 360-946-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA

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.