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: CDRRIAAB6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-238 5 Oelwein IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-242 4 Cedar Falls IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-243 4 Cedar Falls IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-284 5 Oelwein IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-427 5 Waterloo IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-427 7 Waterloo IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-427 8 Waterloo IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-427 9 Waterloo IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-804 A Cedar Rapids IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-804 0 Cedar Rapids IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-804 2 Cedar Rapids IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-855 4 Iowa City IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-855 5 Iowa City IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-930 3 Iowa City IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
319-930 4 Iowa City IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
563-277 8 Decorah IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
563-517 7 Decorah IA 353E YMAX COMMUNICATIONS CORP. - IA 635      
563-517 8 Decorah IA 353E YMAX COMMUNICATIONS CORP. - IA 635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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