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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-623 A Hanston KS DDCYKSATDS1  1841 UNITED TEL. ASSN., INC. 532      
620-623 0 Hanston KS   401D UNITED WIRELESS COMMUNICATIONS, INC. 532      
620-623 1 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 2 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 3 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 4 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 5 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 6 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 7 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 8 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      
620-623 9 Hanston KS   1841 UNITED TEL. ASSN., INC. 532      

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

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