NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

6 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 564
T-MOBILE USA, INC. 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2
LTE WIRELESS INC. 1
EXIANT COMMUNICATIONS LLC 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2026-09-11 564-242-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MARYSVILLE WA
2026-09-11 564-666-1XXX 1000–1999Assigned EXIANT COMMUNICATIONS LLC 114J VADER WA
2026-09-08 564-268-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 MT VERNON WA
2026-09-08 564-268-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 MT VERNON WA
2026-09-04 564-400-0XXX 0000–0999Assigned LTE WIRELESS INC. 498M VANCOUVER WA
2026-08-25 564-245-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SILVERDALE WA
2026-08-13 564-259-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F ABERDEEN WA
2026-08-11 564-777-3XXX 3000–3999Assigned EXIANT COMMUNICATIONS LLC 114J CASTLEROCK WA
2026-07-28 564-238-5XXX 5000–5999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F PORT ORCH WA
2026-07-28 564-261-7XXX 7000–7999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F BELFAIR WA
2026-07-21 564-221-7XXX 7000–7999Assigned EXIANT COMMUNICATIONS LLC 114J BATTLEGRND WA
2026-07-21 564-249-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MARYSVILLE WA
2026-07-17 564-247-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 CENTRALIA WA
2026-07-02 564-235-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BUCKLEY WA
2026-07-02 564-267-0XXX 0000–0999Assigned ACCELERATE NETWORKS LLC 147L CAMAS WA
2026-06-29 564-549-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F OAK HARBOR WA
2026-06-18 564-249-2XXX 2000–2999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F MARYSVILLE WA
2026-06-09 564-239-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 LONGVIEW WA
2026-06-05 564-266-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2026-06-05 564-266-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2026-06-05 564-549-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OAK HARBOR WA
2026-05-29 564-260-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
2026-05-29 564-263-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2026-05-29 564-263-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 OLYMPIA WA
2026-05-22 564-265-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 LONGVIEW WA
2026-05-22 564-265-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LONGVIEW WA
2026-05-22 564-265-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LONGVIEW WA
2026-05-14 564-259-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F ABERDEEN WA
2026-05-01 564-241-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 CAMAS WA
2026-05-01 564-263-4XXX 4000–4999Assigned ONVOY, LLC - WA 483E OLYMPIA WA
2026-04-28 564-239-7XXX 7000–7999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F LONGVIEW WA
2026-04-28 564-260-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
2026-04-24 564-224-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E ABERDEEN WA
2026-04-21 564-249-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MARYSVILLE WA
2026-04-20 564-263-3XXX 3000–3999Assigned ONVOY, LLC - WA 483E OLYMPIA WA
2026-03-30 564-206-3XXX 3000–3999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F BREMERTON WA
2026-03-05 564-261-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 BELFAIR WA
2026-02-20 564-263-6XXX 6000–6999Assigned ONVOY, LLC - WA 483E OLYMPIA WA
2026-02-06 564-524-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J COPALIS WA
2026-01-23 564-238-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORT ORCH WA
2026-01-12 564-261-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F BELFAIR WA
2026-01-08 564-203-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PT ANGELES WA
2026-01-05 564-266-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F VANCOUVER WA
2025-12-19 564-263-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 OLYMPIA WA
2025-12-18 564-228-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F ABERDEEN WA
2025-12-12 564-249-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MARYSVILLE WA
2025-12-12 564-549-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 OAK HARBOR WA
2025-12-05 564-265-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 LONGVIEW WA
2025-12-05 564-266-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA
2025-12-05 564-266-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 VANCOUVER WA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.