From 1879 to 1885, Bingham Post Office and a stage station on the Rock Creek stage line stood at Benjamin F. Smith’s ranch on the north side of the Tongue River where the stage road crossed. The ranch was one of twenty-three stage stations on the Rock Creek to Montana stage road, spaced eighteen to twenty miles apart, with stables and houses for route employees, and nine stations, including Bingham, also served as post offices. Bingham Post Office was named for John T. Bingham, superintendent of the northern half of the stage line from 1879 to 1882, running from Powder River, Wyoming, to Junction, Montana. A bridge built there in the early 1880s was washed out in 1884, and around the same time B.F. Smith died, after which Frank Mock took over the stage station and post office. In 1885 the post office moved two and a half miles southeast to Frank McGrath’s Keystone Ranch on Wolf Creek, keeping the name Bingham until 1894, and after the move the Rock Creek line adopted a new route on the south side of the Tongue River to Dayton, where a bridge had been built.