Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-970 A Roanoke VA FLYDVAXADS2  544A CITIZENS TELEPHONE COOPERATIVE - VA 244      
540-970 0 Roanoke VA RONKVALKX3Z  4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244      
540-970 1 Roanoke VA RONKVALKX3Z  4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244      
540-970 2 Roanoke VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-970 3 Roanoke VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-970 4 Roanoke VA RONKVALKXRX  5562 METROPCS, INC. 244      
540-970 5 Roanoke VA RONKVALKXRX  5562 METROPCS, INC. 244      
540-970 6 Roanoke VA RONKVALKXRX  5562 METROPCS, INC. 244      
540-970 7 Roanoke VA FLYDVAXADS2  544A CITIZENS TELEPHONE COOPERATIVE - VA 244      
540-970 8 Roanoke VA WYBOVAXADS1  7849 LUMOS NETWORKS INC. - VA 244      
540-970 9 Roanoke VA RONKVALKFMD  551G NUSO, LLC 244      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.