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.

Denison, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
785-609 A WTMRKSXADS1  5237 GIANT COMMUNICATIONS, INC. - KS 534      
785-609 1   5237 GIANT COMMUNICATIONS, INC. - KS 534   2021-10-30   
785-935 A DESNKSXARS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 0   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 1   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 2   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 3   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 4   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 5   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 6   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 7   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 534   2014-04-05   
785-935 8   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      
785-935 9   1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 534      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.