Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-397 A Marble Rock IA MRRKIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-397 1 Marble Rock IA MRRKIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-397 2 Marble Rock IA MRRKIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-397 3 Marble Rock IA   624H ONVOY SPECTRUM, LLC 632   2024-03-08   
641-397 4 Marble Rock IA MRRKIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-397 6 Marble Rock IA GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-05-08   
641-397 7 Marble Rock IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-23   
641-397 8 Marble Rock IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-12-01   
641-397 9 Marble Rock IA MRRKIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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