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: 979

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-979 A Roanoke VA RONKVAGE0MD  321J HD CARRIER LLC 244      
540-979 0 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 1 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 2 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 3 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 4 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 5 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 6 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 7 Roanoke VA   6283 UNITED STATES CELLULAR - VA 244   2022-03-09   
540-979 8 Roanoke VA   321J HD CARRIER LLC 244   2021-03-18   
540-979 9 Roanoke VA   321J HD CARRIER LLC 244   2021-03-18   

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

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