NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

10 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 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2008-02-05 540-788-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J CALVERTON VA
2008-02-04 540-317-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 CULPEPER VA
2008-01-28 540-440-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 PULASKI VA
2008-01-28 540-440-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 PULASKI VA
2008-01-22 540-579-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 CATOCTIN VA
2008-01-21 540-443-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BLACKSBURG VA
2008-01-17 540-242-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 STAFFORD VA
2008-01-17 540-657-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 STAFFORD VA
2008-01-16 540-458-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 LEXINGTON VA
2008-01-14 540-425-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BEDFORD VA
2008-01-14 540-451-1XXX 1000–1999Assigned METROPCS, INC. 5562 WAYNESBORO VA
2007-12-27 540-209-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 HARRISONBG VA
2007-12-27 540-577-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 RADFORD VA
2007-12-27 540-784-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 LEXINGTON VA
2007-12-19 540-278-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ROANOKE VA
2007-12-10 540-443-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 BLACKSBURG VA
2007-12-10 540-784-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - VA 8825 LEXINGTON VA
2007-11-29 540-548-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J CHANCELLOR VA
2007-11-29 540-585-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 CHRISTISBG VA
2007-11-29 540-645-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 FREDECKSBG VA
2007-11-29 540-645-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 FREDECKSBG VA
2007-11-21 540-812-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 CULPEPER VA
2007-11-01 540-266-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J ROANOKE VA
2007-11-01 540-479-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J FREDECKSBG VA
2007-10-25 540-209-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 HARRISONBG VA
2007-10-25 540-223-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 LOUISA VA
2007-10-25 540-553-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 BLACKSBURG VA
2007-10-25 540-597-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2007-10-25 540-597-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2007-10-25 540-645-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 FREDECKSBG VA
2007-10-25 540-645-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 FREDECKSBG VA
2007-10-25 540-686-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WINCHESTER VA
2007-10-23 540-737-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J HARTWOOD VA
2007-10-17 540-221-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WAYNESBORO VA
2007-10-01 540-479-5XXX 5000–5999Assigned METROPCS, INC. 5562 FREDECKSBG VA
2007-10-01 540-479-7XXX 7000–7999Assigned METROPCS, INC. 5562 FREDECKSBG VA
2007-10-01 540-479-9XXX 9000–9999Assigned METROPCS, INC. 5562 FREDECKSBG VA
2007-10-01 540-848-6XXX 6000–6999Assigned METROPCS, INC. 5562 FREDECKSBG VA
2007-09-20 540-740-6XXX 6000–6999Assigned SHENANDOAH TEL. CO. 0250 NEW MARKET VA
2007-09-14 540-404-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J SALEM VA
2007-09-08 540-318-9XXX 9000–9999Assigned METROPCS, INC. 5562 STAFFORD VA
2007-09-05 540-597-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2007-09-04 540-204-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ROANOKE VA
2007-09-04 540-355-5XXX 5000–5999Assigned METROPCS, INC. 5562 ROANOKE VA
2007-09-04 540-355-7XXX 7000–7999Assigned METROPCS, INC. 5562 ROANOKE VA
2007-09-04 540-355-9XXX 9000–9999Assigned METROPCS, INC. 5562 ROANOKE VA
2007-09-04 540-892-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ROANOKE VA
2007-08-29 540-359-7XXX 7000–7999Assigned VERIZON VIRGINIA, INC. 9213 WARRENTON VA
2007-08-22 540-423-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 CULPEPER VA
2007-08-17 540-412-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J CHANCELLOR VA

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.