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: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-534 A Lacona IA LACNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 0 Lacona IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 1 Lacona IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 2 Lacona IA   221F ONVOY, LLC - IA 632   2021-04-02   
641-534 3 Lacona IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 4 Lacona IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-534 5 Lacona IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-534 6 Lacona IA   221F ONVOY, LLC - IA 632   2019-11-29   
641-534 7 Lacona IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-22   
641-534 8 Lacona IA   221F ONVOY, LLC - IA 632   2021-04-02   
641-534 9 Lacona IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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