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: IPLSIN02DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-212 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-377 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-541 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-542 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-543 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-544 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-545 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-546 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-547 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-549 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-562 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-568 A Indianapolis IN 9325 AMERITECH INDIANA 336      
317-591 A Indianapolis IN 9325 AMERITECH INDIANA 336      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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