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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-523 A Roanoke VA RONKVALKX7Z  4725 CAVALIER TELEPHONE, LLC - VA 244      
540-523 0 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-09-22   
540-523 1 Roanoke VA RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244   2010-09-11   
540-523 2 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-10-09   
540-523 3 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-10-09   
540-523 4 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-10-09   
540-523 5 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-10-09   
540-523 6 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-09-22   
540-523 7 Roanoke VA RONKVALKXRX  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2010-09-22   
540-523 8 Roanoke VA RONKVALKX7Z  4725 CAVALIER TELEPHONE, LLC - VA 244   2010-07-22   
540-523 9 Roanoke VA RONKVALKX7Z  4725 CAVALIER TELEPHONE, LLC - VA 244   2010-07-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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