Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 317 [Rate centres in NPA 317] [Dial plan for NPA 317]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-579 A Fishers IN FSHRIN01DS0  9325 INDIANA BELL TEL CO INC 336      
317-579 0 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 1 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 2 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 3 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 4 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 5 Fishers IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2017-11-18   
317-579 6 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 7 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 8 Fishers IN   9325 INDIANA BELL TEL CO INC 336      
317-579 9 Fishers IN   9325 INDIANA BELL TEL CO INC 336      

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

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