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.

Switch: OCQNVAXAMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
571-492 A Occoquan VA 7189 COX VIRGINIA TELCOM, INC. - VA 236      
571-542 A Dale City VA 7189 COX VIRGINIA TELCOM, INC. - VA 236      
703-523 A Dale City VA 7189 COX VIRGINIA TELCOM, INC. - VA 236   2012-01-09   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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