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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-599 A Indianapolis IN IPLAIN30DS0  970C CMN-RUS INC. - IN 336   2011-06-25   
317-599 0 Indianapolis IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 336   2012-02-22   
317-599 1 Indianapolis IN   970C CMN-RUS INC. - IN 336   2011-06-25   
317-599 2 Indianapolis IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 336   2012-02-23   
317-599 3 Indianapolis IN   7440 MCI WORLDCOM COMMUNICATIONS, INC. - IN 336   2012-02-24   
317-599 4 Indianapolis IN   7440 MCI WORLDCOM COMMUNICATIONS, INC. - IN 336   2012-03-15   
317-599 5 Indianapolis IN   6664 SPRINT SPECTRUM L.P. 336   2011-12-21   
317-599 6 Indianapolis IN   6664 SPRINT SPECTRUM L.P. 336   2011-12-21   
317-599 7 Indianapolis IN   6664 SPRINT SPECTRUM L.P. 336   2011-12-21   
317-599 8 Indianapolis IN   6664 SPRINT SPECTRUM L.P. 336   2011-12-21   
317-599 9 Indianapolis IN   6664 SPRINT SPECTRUM L.P. 336   2011-12-21   

Last updated: Wed, 05 Feb 2020 02:15:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.