Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-320 A Davenport IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634      
563-320 0 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 1 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 2 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 3 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 4 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 5 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 6 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 7 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 8 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      
563-320 9 Davenport IA   6266 UNITED STATES CELLULAR - IA 634      

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

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