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: GRTZPAXGRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-365 A Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 0 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 2 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226   2008-06-16   
717-365 3 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 4 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 6 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 7 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 8 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      
717-365 9 Gratz PA 0161 COMMONWEALTH TELEPHONE COMPANY LLC 226      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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