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: KNCDKSXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-439 A Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 0 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 1 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 2 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 3 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 4 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 5 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 7 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 8 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      
620-439 9 Kincaid KS 1842 UNITED TEL. CO. OF KANSAS DBA CENTURYLINK 532      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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