Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-930 A Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 0 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 1 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 2 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 3 Iowa City IA   221F ONVOY, LLC - IA 635   2009-03-13   
319-930 5 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 6 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 7 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 8 Iowa City IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635      
319-930 9 Iowa City IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-06-20   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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