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: 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   2005-05-02   
540-378 3 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 4 Salem VA RONKVALKX2Z  318J COMCAST IP PHONE LLC 244   2017-12-21   
540-378 5 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 6 Salem VA RONKVALK5MD  4979 SHENTEL COMMUNICATIONS, LLC - VA 244   2019-04-22   
540-378 7 Salem VA RONLVA31GT0  7189 COX VIRGINIA TELCOM, INC. - VA 244   2003-10-08   
540-378 8 Salem VA SALMVASADS0  9213 VERIZON VIRGINIA, INC. 244      
540-378 9 Salem VA RONKVAGE2MD  073H TELNYX LLC 244   2017-03-24   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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