Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-380 A Sterling IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
815-380 0 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2025-01-23   
815-380 1 Sterling IL   6265 UNITED STATES CELLULAR - IL 364   2025-01-23   
815-380 2 Sterling IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
815-380 5 Sterling IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
815-380 6 Sterling IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
815-380 9 Sterling IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      

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

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