Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
620-434 A CLWLKSXADS0  1788 KANOKLA TEL ASSN 532      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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