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: WASHDCSWCMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-235 8 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2019-11-22   
202-235 9 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2019-11-22   
202-381 9 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2017-10-29   
202-846 A Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236      
202-846 0 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2015-03-27   
202-846 9 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2015-03-27   
202-926 0 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2019-11-30   
202-926 8 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2019-11-30   
202-926 9 Washington Zone 1 DC 812C INTRADO COMMUNICATIONS LLC 236   2019-11-30   

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

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