Local Calling Guide

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

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-590 A Sterling IL DKLBILRSDMD  6529 T-MOBILE USA, INC. 364      
815-590 0 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-02-29   
815-590 1 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-02-29   
815-590 2 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-02-29   
815-590 3 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-02-29   
815-590 4 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-04-04   
815-590 5 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-04-04   
815-590 6 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-04-04   
815-590 7 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-04-04   
815-590 8 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2004-04-04   
815-590 9 Sterling IL   6529 T-MOBILE USA, INC. 364   2003-09-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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