Main city: Platte
Timezone: Central / Mountain
Phone type: Cell Number
Operator: New Cingular Wireless PCS - IL

Platte, a city in Charles Mix County, South Dakota, United States. The population was 1,230 at the 2010 census. The community is named after the Platte Creek, a tributary of the Missouri River reservoir Lake Francis Case. Platte is located 15 miles east of the lake. ^source

North American Area code 605 is the telephone area code serving the entire state of South Dakota, and is one of the area codes that was created in 1947. It is also one of a gradually decreasing number of single-state, single LATA, single area code areas. (North Dakota uses only the 701 area code, but is split into two LATAs, one of which includes Minnesota.) ^source