Greenfield is an extinct town in Mississippi County, in the U.S. state of Missouri.
The GNIS classifies it as a populated place.
[1] A post office called Birdsville was established in 1854, and remained in operation until 1873.
[2] The name Greenfield later was applied to the community on account of the greenery of the town site.
This Mississippi County, Missouri state location article is a stub.