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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-674 A Centerville IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-14   
641-674 3 Centerville IA   5562 METROPCS, INC. 632   2025-04-27   
641-674 4 Centerville IA   5562 METROPCS, INC. 632   2025-04-27   
641-674 8 Centerville IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-14   
641-674 9 Centerville IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-09-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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