Area Code 605-293 located in MILLER, HAND, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 293 City : MILLER County : HAND State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46059 LATA (Local Access Transport Area) : 640 Rate Center : GANNVALLEY ZIP Code Count : 9 ZIP Code Frequency : 10 ZIP Code : 57362 Other Information NPANXX : 605293 County Population : 0 Switch CLLI (Common Language Location Identifier) : GNVYSDXADS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MIDSTATE COMMUNICATIONS, INC. OCN (Operating Company Number) : 1670 Coverage Area Name : WESSINGTON SPRINGS Latitude : 44.0314 Longitude : -98.9877 ‹ previous : 605-293 next › : 605-293 Telephone Number List 605-293-0000 ~ 605-293-9999