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: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-681 A Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 0 Indianapolis IN IPLUINWX5MD  5562 METROPCS, INC. 336   2016-03-05   
317-681 1 Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 2 Indianapolis IN IPLUINWX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2007-07-20   
317-681 3 Indianapolis IN IPLUINWX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2007-07-20   
317-681 4 Indianapolis IN IPLYINCPGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 336   2006-07-26   
317-681 5 Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 6 Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 7 Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 8 Indianapolis IN IPLSIN01DS1  9325 INDIANA BELL TEL CO INC 336      
317-681 9 Indianapolis IN IPLUINWX3MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2007-07-20   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.