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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-550 A Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 0 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 1 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 2 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 3 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 4 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 5 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 6 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 7 Winchester VA WNCHVA01LMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246      
540-550 8 Winchester VA CLPPVA940MD  5562 METROPCS, INC. 246   2009-01-09   
540-550 9 Winchester VA CLPPVA940MD  5562 METROPCS, INC. 246   2009-01-09   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.