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
2013-11-15 360-208-0XXX 0000–0999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F SOUTH BEND WA
2013-11-14 360-968-7XXX 7000–7999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F SHELTON WA
2013-11-13 360-214-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LONG BEACH WA
2013-11-13 360-295-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 VADER WA
2013-11-13 360-686-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J YACOLT WA
2013-11-13 360-849-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CATHLAMET WA
2013-11-12 360-214-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 LONG BEACH WA
2013-11-12 360-214-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 LONG BEACH WA
2013-11-11 360-972-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2013-11-08 360-984-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J VANCOUVER WA
2013-11-06 360-445-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MT VERNON WA
2013-11-01 360-526-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 WHATCOMCTY WA
2013-11-01 360-526-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 WHATCOMCTY WA
2013-10-30 360-525-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 BREMERTON WA
2013-10-28 360-984-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VANCOUVER WA
2013-10-18 360-268-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 GRAYHARBCO WA
2013-10-18 360-702-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BATTLEGRND WA
2013-10-18 360-723-8XXX 8000–8999Assigned METROPCS, INC. 5562 BATTLEGRND WA
2013-10-17 360-328-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SILVERDALE WA
2013-10-17 360-342-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J BATTLEGRND WA
2013-10-17 360-535-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SILVERDALE WA
2013-10-17 360-558-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2013-10-17 360-669-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 CENTRALIA WA
2013-10-17 360-746-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2013-10-17 360-746-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2013-10-17 360-912-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 PT ANGELES WA
2013-10-15 360-207-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F PT ANGELES WA
2013-10-15 360-209-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F ABERDEEN WA
2013-10-15 360-302-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F PTTOWNSEND WA
2013-10-15 360-358-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F SHELTON WA
2013-10-10 360-824-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 BREMERTON WA
2013-10-10 360-846-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 LONGVIEW WA
2013-10-09 360-209-0XXX 0000–0999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F ABERDEEN WA
2013-10-07 360-928-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E PT ANGELES WA
2013-09-26 360-824-1XXX 1000–1999Assigned METROPCS, INC. 5562 BREMERTON WA
2013-09-26 360-824-2XXX 2000–2999Assigned METROPCS, INC. 5562 BREMERTON WA
2013-09-26 360-972-1XXX 1000–1999Assigned METROPCS, INC. 5562 OLYMPIA WA
2013-09-26 360-972-8XXX 8000–8999Assigned METROPCS, INC. 5562 OLYMPIA WA
2013-09-26 360-972-9XXX 9000–9999Assigned METROPCS, INC. 5562 OLYMPIA WA
2013-09-25 360-310-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ABERDEEN WA
2013-09-23 360-562-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 LONGVIEW WA
2013-09-11 360-399-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
2013-09-11 360-409-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 CAMAS WA
2013-09-11 360-549-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SHELTON WA
2013-09-11 360-558-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2013-09-11 360-746-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 WHATCOMCTY WA
2013-09-10 360-674-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 BREMERTON WA
2013-09-10 360-972-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J OLYMPIA WA
2013-09-09 360-818-5XXX 5000–5999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7173 CAMAS WA
2013-08-30 360-227-7XXX 7000–7999Assigned ONVOY, LLC - WA 483E BELFAIR 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.