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.

Switch: IPLCINGNCM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
317-235 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-301 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-302 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-304 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-305 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-310 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-312 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-365 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-367 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-368 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-404 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-553 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
317-928 A Indianapolis IN 9748 AMERICAN MESSAGING SERVICES, LLC 336      
765-554 A Kokomo IN 9748 AMERICAN MESSAGING SERVICES, LLC 336     2025-05-19 

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.