Cobban is an unincorporated community located in the town of Arthur, Chippewa County, Wisconsin, United States. Cobban is located on the east bank of the Chippewa River at the junction of County Highways K and TT, south-southwest of Cornell. History A post office called Cobban was established in 1904, and remained in operation until 1934. The community was named for S. C. F. Cobban, a landowner. References Unincorporated communities in Chippewa County, Wisconsin Unincorporated communities in Wisconsin