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: RCFRILRCX2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-200 6 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2011-03-24   
779-300 6 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2011-04-19   
779-552 4 Belvidere IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-03-13   
779-552 5 Belvidere IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-03-13   
779-552 6 Belvidere IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-03-13   
815-312 A Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360      
815-312 0 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-01-29   
815-312 1 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-01-29   
815-312 2 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-01-29   
815-312 3 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-01-29   
815-312 4 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-01-29   
815-312 9 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2010-06-24   
815-315 8 Rockford IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2010-11-10   
815-566 3 Belvidere IL 259E YMAX COMMUNICATIONS CORP. - IL 360   2009-03-13   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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