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: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-528 A Denmark IA DNMKIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 0 Denmark IA DNMKIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 1 Denmark IA DNMKIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 2 Denmark IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2017-03-15   
319-528 3 Denmark IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2022-02-02   
319-528 4 Denmark IA DNMKIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 5 Denmark IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2020-06-27   
319-528 6 Denmark IA DNMKIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-528 7 Denmark IA DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
319-528 8 Denmark IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2015-05-29   
319-528 9 Denmark IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2019-07-02   

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

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