NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

10 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 540
ONVOY, LLC - VA 6
BANDWIDTH.COM CLEC, LLC - VA 2
PEERLESS NETWORK OF VIRGINIA, LLC - VA 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 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
2012-10-22 540-676-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-10-22 540-676-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-10-22 540-693-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J FREDECKSBG VA
2012-10-18 540-431-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 WINCHESTER VA
2012-09-27 540-356-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 HARTWOOD VA
2012-09-27 540-356-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 HARTWOOD VA
2012-09-27 540-356-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 HARTWOOD VA
2012-09-25 540-871-2XXX 2000–2999Assigned UNITED STATES CELLULAR - VA 6283 BEDFORD VA
2012-09-24 540-688-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 STAUNTON VA
2012-09-19 540-835-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RADFORD VA
2012-09-13 540-441-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F MT GILEAD VA
2012-09-13 540-750-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 BLACKSBURG VA
2012-09-13 540-750-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 BLACKSBURG VA
2012-09-11 540-259-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 MINERAL VA
2012-09-11 540-736-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 CHANCELLOR VA
2012-09-10 540-216-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WARRENTON VA
2012-09-10 540-216-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WARRENTON VA
2012-09-07 540-738-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MADISON VA
2012-09-05 540-212-5XXX 5000–5999Assigned METROPCS, INC. 5562 CULPEPER VA
2012-08-30 540-289-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J MCGAHEYSVL VA
2012-08-30 540-835-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J RADFORD VA
2012-08-22 540-227-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J WASHINGTON VA
2012-08-22 540-987-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J SPERRYVL VA
2012-08-21 540-509-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F PULASKI VA
2012-08-21 540-603-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F LOUISA VA
2012-08-21 540-713-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 ELKTON VA
2012-08-14 540-676-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-08-14 540-676-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-08-13 540-431-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WINCHESTER VA
2012-08-13 540-901-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J BROADWAY VA
2012-08-07 540-251-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J CHRISTISBG VA
2012-08-07 540-874-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J BEDFORD VA
2012-08-06 540-685-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ROANOKE VA
2012-08-01 540-412-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F CHANCELLOR VA
2012-08-01 540-456-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F GREENWOOD VA
2012-08-01 540-788-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F CALVERTON VA
2012-07-31 540-395-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 ORANGE VA
2012-07-26 540-214-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 HARRISONBG VA
2012-07-26 540-214-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 HARRISONBG VA
2012-07-18 540-263-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROCKYMOUNT VA
2012-07-18 540-395-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ORANGE VA
2012-07-18 540-620-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 COVINGTON VA
2012-07-18 540-676-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-07-18 540-676-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2012-07-17 540-200-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 BLACKSBURG VA
2012-07-17 540-200-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 BLACKSBURG VA
2012-07-12 540-685-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F ROANOKE VA
2012-07-12 540-685-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F ROANOKE VA
2012-06-27 540-509-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 PULASKI VA
2012-06-27 540-572-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 BUENAVISTA VA

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.