Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-240 A Roanoke VA RONKVAGE9MD  965H FRACTEL, LLC 244      
540-240 0 Roanoke VA RONKVAGE9MD  965H FRACTEL, LLC 244   2020-09-06   
540-240 1 Roanoke VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2020-09-07   
540-240 2 Roanoke VA RONKVAGE9MD  965H FRACTEL, LLC 244   2020-09-06   
540-240 3 Roanoke VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-07-29   
540-240 4 Roanoke VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2022-03-20   
540-240 5 Roanoke VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2022-03-20   
540-240 6 Roanoke VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-07-29   
540-240 7 Roanoke VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-09-25   
540-240 8 Roanoke VA RONKVALKXNY  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 244   2022-09-25   
540-240 9 Roanoke VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2024-01-18   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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