Area Code 417-639 located in LIBERAL, BARTON, MO, more detail is as below. Place NPA (Numbering Plan Area) : 417 NXX (Local Number Prefix) : 639 City : LIBERAL County : BARTON State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 29011 LATA (Local Access Transport Area) : 532 Rate Center : E ARCADIA ZIP Code Count : 14 ZIP Code Frequency : 64 ZIP Code : 64762 Other Information NPANXX : 417639 County Population : 0 Switch CLLI (Common Language Location Identifier) : ARMAKSXADS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CRAW - KAN TELEPHONE COOPERATIVE, INC. - KANSAS OCN (Operating Company Number) : 1818 Coverage Area Name : LIBERAL Latitude : 37.6396 Longitude : -94.6171 ‹ previous : 417-639 next › : 417-640 Telephone Number List 417-639-0000 ~ 417-639-9999