Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-683 A South Haven KS   6529 T-MOBILE USA, INC. 532   2025-05-05   
620-683 9 South Haven KS   6529 T-MOBILE USA, INC. 532   2025-05-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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