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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-378 A Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 0 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 1 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 2 Salem VA RONKVALKX2X  7421 AT&T - LOCAL 244      
540-378 3 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 4 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-378 5 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 6 Salem VA RONKVALK5MD  4979 SHENTEL COMMUNICATIONS, LLC. - VA 244      
540-378 7 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
540-378 8 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 9 Salem VA RONKVAGE2MD  073H TELNYX LLC 244      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.