Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Udall, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
620-609 A WCHTKSTP00Z  490J BOOST SUBSCRIBERCO L.L.C. 532   2024-02-15   
620-609 0 WCHTKSTP00Z  490J BOOST SUBSCRIBERCO L.L.C. 532   2024-02-15   
620-782 A UDLLKS03GT0  1847 WHEAT STATE TEL., INC. 532      

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

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