For license plates, county codes 93, 95 and 97-99 were also used for Marion County, in addition to 49. Fountain County is located in the western part of the U.S. state of Indiana, on the east side of the Wabash River. The county was officially established in 1826 and was the 53rd in Indiana. Fountain County's northern and western borders are defined by the Wabash River, which flows southwesterly from Tippecanoe County.
The Portland Arch Nature Reserve and the Miller-Campbell Memorial Tract, a 435 acre (176 ha) reserve managed by the Indiana Department of Natural Resources, are located next to the Wabash River. In 1950, Indiana established county codes for license plates, which were designated with 2 letters followed by up to 4 numbers. This can be seen in smaller counties that only need less than 30,000 plates and used “A “, B and “C.