Area Code 417-278 located in SPARTA, CHRISTIAN, MO, more detail is as below. Place NPA (Numbering Plan Area) : 417 NXX (Local Number Prefix) : 278 City : SPARTA County : CHRISTIAN State : MO (Missouri) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 29043 LATA (Local Access Transport Area) : 522 Rate Center : SPARTA ZIP Code Count : 113 ZIP Code Frequency : 64 ZIP Code : 65753 Other Information NPANXX : 417278 County Population : 0 Switch CLLI (Common Language Location Identifier) : SPRTMOXADS0 MSA CBSA (Core Based Statistical Area) : Springfield, MO MSA CBSA Code (Core Based Statistical Area) : 44180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK OCN (Operating Company Number) : 9787 Coverage Area Name : OLDFIELD Latitude : 36.9973 Longitude : -93.0829 ‹ previous : 417-278 next › : 417-279 Telephone Number List 417-278-0000 ~ 417-278-9999