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.
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Switch: CLPPVA94IMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-673 6 Shenandoah Park VA 516J TON80 COMMUNICATIONS, LLC 246   2022-03-18   
571-837 A Leesburg VA 516J TON80 COMMUNICATIONS, LLC 246      
571-837 4 Leesburg VA 516J TON80 COMMUNICATIONS, LLC 246   2021-04-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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