The citizens of Iron City originally had to travel a few miles to the community of to Rock Pond to pick up their mail. According to the Iron City Ladies' Club, the first post office was established around 1889 in the back of a general merchandise store, with John L. Miller as the postmaster. Retired postmaster Sara Robinson stated that the new post office was built in 1962. In 1996, the town moved the post office to its present location on US Highway 84 and GA Highway 38.