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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-973 A Zionsville IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-973 0 Zionsville IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-973 1 Zionsville IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-973 2 Zionsville IN IPLSIN01XNY  105F BANDWIDTH.COM CLEC, LLC - IN 336      
317-973 3 Zionsville IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-973 4 Zionsville IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336      
317-973 5 Zionsville IN IPLSINATJMD  516C AT&T CORP. 336      
317-973 6 Zionsville IN IPLWIN75DS5  097D ONVOY, LLC - IN 336      
317-973 7 Zionsville IN IPLWIN75DS5  097D ONVOY, LLC - IN 336      
317-973 8 Zionsville IN IPLWIN75DS5  097D ONVOY, LLC - IN 336      
317-973 9 Zionsville IN   515J IP HORIZON LLC 336      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.