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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-657 A Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 0 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 1 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 2 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 3 Stafford VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2008-01-29   
540-657 4 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 5 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 6 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 7 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 8 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      
540-657 9 Stafford VA STFRVAXARS0  0233 VERIZON SOUTH, INC. - VA (CONTEL) 236      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.