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.

NPA: 317 [Rate centres in NPA 317] [Dial plan for NPA 317]

NXX: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-542 A Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 0 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 1 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 2 Indianapolis IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-542 3 Indianapolis IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-542 4 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 5 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 6 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 7 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 8 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      
317-542 9 Indianapolis IN IPLSIN02DS0  9325 INDIANA BELL TEL CO INC 336      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.