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

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-656 6 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-656 8 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 A Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 0 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 2 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 3 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 4 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 5 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 6 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 7 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      
317-692 8 Indianapolis IN 9325 INDIANA BELL TEL CO INC 336      

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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