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: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-775 A De Kalb IL DKLBILXAXGX  622J SKYE TELECOM LLC DBA SKYETEL 364      
779-775 0 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 1 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 2 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 3 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 4 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 5 De Kalb IL DKLBILXAXGX  622J SKYE TELECOM LLC DBA SKYETEL 364      
779-775 6 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 7 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 8 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
779-775 9 De Kalb IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.