Area Code 605-983 located in ERWIN, KINGSBURY, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 983 City : ERWIN County : KINGSBURY State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46077 LATA (Local Access Transport Area) : 640 Rate Center : ARLINGTON ZIP Code Count : 32 ZIP Code Frequency : 3 ZIP Code : 57233 Other Information NPANXX : 605983 Switch CLLI (Common Language Location Identifier) : ARTNSDCORS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9631 Coverage Area Name : ARLINGTON Latitude : 44.3653 Longitude : -97.1372 ‹ previous : 605-983 next › : 605-983 Telephone Number List 605-983-0000 ~ 605-983-9999