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: 988

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-988 A Rockford IL RCFRILRTXGY  6265 UNITED STATES CELLULAR - IL 360      
815-988 0 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 1 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 2 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 3 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 4 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 5 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 6 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 7 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 8 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      
815-988 9 Rockford IL   6265 UNITED STATES CELLULAR - IL 360      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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