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: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-414 A Osceola IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-414 0 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 1 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 2 Osceola IA   6266 UNITED STATES CELLULAR - IA 632   2002-07-25   
641-414 3 Osceola IA   6266 UNITED STATES CELLULAR - IA 632   2002-07-25   
641-414 4 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 5 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 6 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 7 Osceola IA   6266 UNITED STATES CELLULAR - IA 632      
641-414 8 Osceola IA   6266 UNITED STATES CELLULAR - IA 632   2007-03-29   
641-414 9 Osceola IA   6266 UNITED STATES CELLULAR - IA 632   2005-05-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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