Decker Corner, Wisconsin Unincorporated community Decker Corner, Wisconsin Show map of Wisconsin Decker Corner, Wisconsin Show map of the US Coordinates: 43°21′05″N 88°02′42″W﻿ / ﻿43.35139°N 88.04500°W﻿ / 43.35139; -88.04500Coordinates: 43°21′05″N 88°02′42″W﻿ / ﻿43.35139°N 88.04500°W﻿ / 43.35139; -88.04500 Country United States State Wisconsin County Ozaukee Elevation 863 ft (263 m) Time zone Central (CST) (UTC-6) • Summer (DST) CDT (UTC-5) Area code(s) 262 GNIS feature ID 1563796[1]