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: MNTIIAAKDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-320 A Cedar Rapids IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-349 A Waterloo IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-589 A Alburnett IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-609 A Aurora IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-699 A Allison IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-709 A Winthrop IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-799 A Atkins IA 544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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