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: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-354 A Walnut KS GRRDKSXADS0  1818 CRAW-KAN TEL. COOP.,INC. - KS 532      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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