A post office at Fleming was established in 1869[2]: 53  and remained in operation until March 9, 2013; it still has its ZIP code, 31309.

The community is named after William Fleming, a resident who owned a plantation adjacent to the original townsite.

[2] Mount Olivet Methodist Church was established in Fleming in 1843 by John Stacy and Hannah McCall Adams.

[13] In 2002, local postal worker Sallie Gaglia was murdered in the Fleming Post Office during a robbery of $1,175 in money orders.

Local man Meier Jason Brown was arrested and later sentenced to death for the crime.

[17] Services were suspended shortly afterwards due to constant vandalism, low traffic, less than two hours of work being needed per day, and average daily sales being below $50.