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-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
605-243 A New Holland SD PLTTSDXADS1  640      
605-245 A Fort Thompson SD KMBLSDXADS2  640      
605-249 A White Lake SD KMBLSDXADS2  640      
605-293 A Gann Valley SD KMBLSDXADS2  640      
605-337 A Platte SD PLTTSDXADS1  640      
605-726 A Academy SD PLTTSDXADS1  640      
605-732 A Stickney SD PLTTSDXADS1  640      
605-778 A Kimball SD KMBLSDXADS2  640      
605-779 A Delmont SD PLTTSDXADS1  640      
605-894 A Pukwana SD KMBLSDXADS2  640      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.