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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-878 7 Washington Zone 1 DC 156J RCLEC, INC. 236   2017-02-24   
202-930 A Washington Zone 1 DC 156J RCLEC, INC. 236      
202-930 4 Washington Zone 1 DC 156J RCLEC, INC. 236   2014-12-18   

Last updated: Sat, 30 Sep 2023 22:09:11 UTC

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