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: VINNVACB9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-918 A Washington Zone 1 DC 597F VOIP INNOVATIONS LLC 236      
202-918 1 Washington Zone 1 DC 597F VOIP INNOVATIONS LLC 236   2019-08-12   
571-463 A Arcola VA 597F VOIP INNOVATIONS LLC 236      
571-463 1 Arcola VA 597F VOIP INNOVATIONS LLC 236   2019-08-31   
571-685 2 Herndon VA 597F VOIP INNOVATIONS LLC 236   2019-08-25   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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