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: IPLSIN01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-232 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-233 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-234 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-237 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-238 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-263 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-264 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-274 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-276 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-277 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-278 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-285 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-383 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-433 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-444 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-453 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-464 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-488 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-615 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-630 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-633 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-651 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-655 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-656 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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