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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-330 A Roanoke VA RCMTVAXA5MD  6283 UNITED STATES CELLULAR - VA 244      
540-330 0 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 1 Roanoke VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 244   2009-05-25   
540-330 2 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 3 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 4 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 5 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 6 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 7 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 8 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      
540-330 9 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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