Local Calling Guide

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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-233 A Fairfield IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-233 0 Fairfield IA   6529 T-MOBILE USA, INC. 632      
641-233 1 Fairfield IA   6529 T-MOBILE USA, INC. 632      
641-233 2 Fairfield IA   6529 T-MOBILE USA, INC. 632      
641-233 3 Fairfield IA   6529 T-MOBILE USA, INC. 632      
641-233 4 Fairfield IA   6529 T-MOBILE USA, INC. 632      
641-233 5 Fairfield IA   221F ONVOY, LLC - IA 632   2024-03-02   
641-233 6 Fairfield IA   444G AUREON COMMUNICATIONS, LLC 632   2014-02-24   
641-233 7 Fairfield IA   6266 UNITED STATES CELLULAR - IA 632   2005-08-10   
641-233 8 Fairfield IA   6266 UNITED STATES CELLULAR - IA 632   2005-08-10   
641-233 9 Fairfield IA   6529 T-MOBILE USA, INC. 632      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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