Area Code 605-487 located in WAGNER, CHARLES MIX, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 487 City : WAGNER 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 : LAKE ANDES ZIP Code Count : 35 ZIP Code Frequency : 5 ZIP Code : 57380 Other Information NPANXX : 605487 County Population : 0 Switch CLLI (Common Language Location Identifier) : LKANSDXARS1 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 : LAKE ANDES Latitude : 43.1563 Longitude : -98.5432 ‹ previous : 605-487 next › : 605-487 Telephone Number List 605-487-0000 ~ 605-487-9999