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: LSBGVALBX7X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-225 A Stanley VA 318J COMCAST IP PHONE, LLC 246      
540-356 A Hartwood VA 318J COMCAST IP PHONE, LLC 246      
540-388 A Chancellor VA 318J COMCAST IP PHONE, LLC 246      
540-508 A Stephens City VA 318J COMCAST IP PHONE, LLC 246      
540-686 A Winchester VA 318J COMCAST IP PHONE, LLC 246      
540-702 A Chancellor VA 318J COMCAST IP PHONE, LLC 246      
540-732 A Unionville VA 318J COMCAST IP PHONE, LLC 246      
540-754 A Winchester VA 318J COMCAST IP PHONE, LLC 246      
540-755 A Chancellor VA 318J COMCAST IP PHONE, LLC 246      
540-756 A Madison VA 318J COMCAST IP PHONE, LLC 246      
571-333 A Leesburg VA 318J COMCAST IP PHONE, LLC 246      
571-918 A Leesburg VA 318J COMCAST IP PHONE, LLC 246      
826-218 A Stanley VA 318J COMCAST IP PHONE, LLC 246      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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