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.

NPA: 202 [Rate centres in NPA 202] [Dial plan for NPA 202]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
202-858 A Washington Zone 1 DC   850D ONVOY, LLC - DC 236      
202-858 0 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-06   
202-858 1 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-06   
202-858 2 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-06   
202-858 3 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-06   
202-858 4 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   
202-858 5 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   
202-858 6 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   
202-858 7 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   
202-858 8 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   
202-858 9 Washington Zone 1 DC   850D ONVOY, LLC - DC 236   2015-07-30   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.