Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-335 A Ingalls KS DDCYKSATDS1  1841 UNITED TEL. ASSN., INC. 532      
620-335 0 Ingalls KS   401D UNITED WIRELESS COMMUNICATIONS, INC. 532      
620-335 1 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 2 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 3 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 4 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 5 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 6 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 7 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 8 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      
620-335 9 Ingalls KS   1841 UNITED TEL. ASSN., INC. 532      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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