Area Code 605-384 located in LAKE ANDES, CHARLES MIX, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 384 City : LAKE ANDES County : CHARLES MIX State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46023 LATA (Local Access Transport Area) : 640 Rate Center : WAGNER ZIP Code Count : 54 ZIP Code Frequency : 4 ZIP Code : 57356 Other Information NPANXX : 605384 County Population : 0 Switch CLLI (Common Language Location Identifier) : WGNRSDXARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FORT RANDALL TELCO DBA MT RUSHMORE TELEPHONE CO OCN (Operating Company Number) : 1660 Coverage Area Name : WAGNER Latitude : 43.0808 Longitude : -98.2939 ‹ previous : 605-384 next › : 605-384 Telephone Number List 605-384-0000 ~ 605-384-9999