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: 650

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-650 A Garden City KS   6529 T-MOBILE USA, INC. 532   2026-03-06   
620-650 9 Garden City KS   6529 T-MOBILE USA, INC. 532   2026-03-06   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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