Signal is an extinct town in northern Phelps County, in the U.S. state of Missouri.[1]
A post office was established at Signal in 1903, and remained in operation until 1905.[2] It is unknown why the name "Signal" was applied to this community.[3]
38°01′52″N 91°48′56″W / 38.03111°N 91.81556°W / 38.03111; -91.81556