Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: DDCYKSATDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-335 A Ingalls KS 1841 UNITED TEL. ASSN., INC. 532      
620-369 A Ford KS 1841 UNITED TEL. ASSN., INC. 532      
620-385 A Spearville KS 1841 UNITED TEL. ASSN., INC. 532      
620-539 A Englewood KS 1841 UNITED TEL. ASSN., INC. 532      
620-623 A Hanston KS 1841 UNITED TEL. ASSN., INC. 532      
620-635 A Ashland KS 1841 UNITED TEL. ASSN., INC. 532      
620-668 A Copeland KS 1841 UNITED TEL. ASSN., INC. 532      
620-846 A Montezuma KS 1841 UNITED TEL. ASSN., INC. 532      
620-855 A Cimarron KS 1841 UNITED TEL. ASSN., INC. 532      
620-865 A Ensign KS 1841 UNITED TEL. ASSN., INC. 532      

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

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