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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-581 A Baxter Springs KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532      
620-581 0 Baxter Springs KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-05   
620-581 7 Baxter Springs KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-03-17   
620-581 8 Baxter Springs KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-03-17   
620-581 9 Baxter Springs KS WCHVKSCK9MD  6529 T-MOBILE USA, INC. 532   2022-03-17   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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