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: RCFRILRTX8X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-368 A New Milford IL 7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 360   2007-10-05   
779-423 A Rockford IL 7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 360   2007-09-22   
815-708 A Rockford IL 7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 360      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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