Area Code 605-632 located in ERWIN, KINGSBURY, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 632 City : ERWIN County : KINGSBURY State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 6/23/2010 FIPS (Federal Information Processing Standards) : 46077 LATA (Local Access Transport Area) : 640 Rate Center : LK PRESTON ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 57233 Other Information NPANXX : 605632 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCC TELEPHONY OF THE MID-WEST, LLC - SD OCN (Operating Company Number) : 920F Coverage Area Name : LAKE PRESTON Latitude : 44.3694 Longitude : -97.3759 ‹ previous : 605-631 next › : 605-633 Telephone Number List 605-632-0000 ~ 605-632-9999