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: 369

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-369 A Maxwell IN IPLTINUM3MD  318J COMCAST IP PHONE, LLC 336      
317-369 0 Maxwell IN IPLTINUM3MD  318J COMCAST IP PHONE, LLC 336   2009-09-19   
317-369 7 Maxwell IN IPLWINRO6MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2024-05-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.