Area Code 605-429 located in VALENTINE, CHERRY, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 429 City : VALENTINE County : CHERRY State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 31031 LATA (Local Access Transport Area) : 644 Rate Center : NOCROOKSTN ZIP Code Count : 10 ZIP Code Frequency : 16 ZIP Code : 69201 Other Information NPANXX : 605429 County Population : 0 Switch CLLI (Common Language Location Identifier) : CKTNNERDRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : GREAT PLAINS COMMUNICATIONS, INC. OCN (Operating Company Number) : 1577 Coverage Area Name : SAINT FRANCIS Flags : The State for this record does not match the State for the ZIP Code. To keep with data reporting, the state for the Area Code is used. Latitude : 42.9276 Longitude : -100.7519 ‹ previous : 605-428 next › : 605-429 Telephone Number List 605-429-0000 ~ 605-429-9999