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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 593

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-593 A De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 0 De Kalb IL DKLBILRSPMD  5562 METROPCS, INC. 364      
815-593 1 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 2 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 3 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 4 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 5 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 6 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-593 7 De Kalb IL DIXNILXAEMD  508J CENTURYLINK COMMUNICATIONS, LLC 364      
815-593 8 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.