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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-851 A Greenwood IN IPLTINMADS1  7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 0 Greenwood IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 336   2014-02-21   
317-851 1 Greenwood IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 2 Greenwood IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 3 Greenwood IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 4 Greenwood IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 5 Greenwood IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336      
317-851 6 Greenwood IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 336   2014-02-21   
317-851 7 Greenwood IN   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 336   2014-02-21   
317-851 8 Greenwood IN   930B COMCAST PHONE OF CENTRAL INDIANA, LLC - IN 336   2006-03-29   
317-851 9 Greenwood IN   930B COMCAST PHONE OF CENTRAL INDIANA, LLC - IN 336   2014-04-04   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.