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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2019-05-07 540-534-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA 7238 HARRISONBG VA
2019-05-07 540-566-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F ROANOKE VA
2019-05-07 540-787-8XXX 8000–8999Assigned CSC WIRELESS, LLC 425J PEARISBURG VA
2019-05-07 540-787-9XXX 9000–9999Assigned CSC WIRELESS, LLC 425J PEARISBURG VA
2019-05-03 540-681-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J FREDECKSBG VA
2019-05-02 540-546-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F WINCHESTER VA
2019-05-02 540-787-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F PEARISBURG VA
2019-05-01 540-228-4XXX 4000–4999Assigned CORETEL VIRGINIA, LLC - VA 5832 NATURALBDG VA
2019-05-01 540-367-2XXX 2000–2999Assigned CORETEL VIRGINIA, LLC - VA 5832 FERRUM VA
2019-05-01 540-410-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F STONE MT VA
2019-04-26 540-385-7XXX 7000–7999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G CHRISTISBG VA
2019-04-26 540-507-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F SPOTSYLVAN VA
2019-04-26 540-902-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F GREENWOOD VA
2019-04-26 540-981-5XXX 5000–5999Assigned PEERLESS NETWORK OF VIRGINIA, LLC - VA 275G ROANOKE VA
2019-04-25 540-228-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F NATURALBDG VA
2019-04-25 540-418-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BLACKSBURG VA
2019-04-25 540-518-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F DUBLIN VA
2019-04-24 540-274-3XXX 3000–3999Assigned ONVOY, LLC - VA 138E PULASKI VA
2019-04-24 540-340-6XXX 6000–6999Assigned ONVOY, LLC - VA 138E WARRENTON VA
2019-04-24 540-534-0XXX 0000–0999Assigned ONVOY, LLC - VA 138E HARRISONBG VA
2019-04-24 540-546-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WINCHESTER VA
2019-04-22 540-546-0XXX 0000–0999Assigned ONVOY, LLC - VA 138E WINCHESTER VA
2019-04-22 540-546-1XXX 1000–1999Assigned ONVOY, LLC - VA 138E WINCHESTER VA
2019-04-22 540-709-8XXX 8000–8999Assigned ONVOY, LLC - VA 138E KINGGEORGE VA
2019-04-22 540-709-9XXX 9000–9999Assigned ONVOY, LLC - VA 138E KINGGEORGE VA
2019-04-18 540-988-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2019-04-18 540-988-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 ROANOKE VA
2019-04-11 540-417-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J MCGAHEYSVL VA
2019-04-11 540-546-4XXX 4000–4999Assigned ONVOY, LLC - VA 138E WINCHESTER VA
2019-04-11 540-546-5XXX 5000–5999Assigned ONVOY, LLC - VA 138E WINCHESTER VA
2019-04-11 540-546-6XXX 6000–6999Assigned ONVOY, LLC - VA 138E WINCHESTER VA
2019-04-11 540-782-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F STANLEY VA
2019-04-10 540-215-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 BROADWAY VA
2019-04-05 540-348-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BROWNSBURG VA
2019-04-05 540-640-4XXX 4000–4999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-640-5XXX 5000–5999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-708-2XXX 2000–2999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-708-3XXX 3000–3999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-708-4XXX 4000–4999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-791-3XXX 3000–3999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-791-4XXX 4000–4999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-791-5XXX 5000–5999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-791-7XXX 7000–7999Assigned CORETEL VIRGINIA, LLC - VA 5832 CULPEPER VA
2019-04-05 540-991-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F REMINGTON VA
2019-04-01 540-237-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BRIDGEWTR VA
2019-03-28 540-215-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BROADWAY VA
2019-03-27 540-281-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F BLUEMONT VA
2019-03-27 540-378-6XXX 6000–6999Assigned SHENTEL COMMUNICATIONS, LLC. - VA 4979 SALEM VA
2019-03-26 540-802-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MONTVALE VA
2019-03-25 540-217-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - VA 079F HARRISONBG 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.