T-Mobile announced its newest retail location in Iowa and its first retail store in Spencer. The store opened for business on Saturday and is located at the intersection of South Grand Avenue and 11th Street SW. It’s the first store to support Clay County. The company has more than 40 retail locations across the state. The Spencer location is part of T-Mobile’s efforts to expand its retail footprint with the addition of new stores in small towns and rural communities across the country.