Flat, Missouri

Flat is an unincorporated community in southern Phelps County, Missouri, United States. It is located approximately sixteen miles southwest of Rolla. The community is at the intersection of Missouri routes M and T. Edgar Springs lies about four miles to the southeast at the intersection of route M and U.S. Route 63. The headwaters of Mill Creek are just to the east of the community. The village lies within the boundaries of the Mark Twain National Forest.

A post office called Flat was established in 1895, and remained in operation until 1967. The community was so named on account of the flat land in a nearby forest.