Clarksville-Montgomery County Regional Airport was created in 1937.
Dane County Regional Airport was created in 1943.
Paulding County Regional Airport was created in 2008.
San Luis Obispo County Regional Airport was created in 1939.
The airport code for Eagle County Regional Airport is EGE.
The airport code for Williamson County Regional Airport is MWA.
The airport code for Knox County Regional Airport is RKD.
The airport code for Oconee County Regional Airport is CEU.
The airport code for Porter County Regional Airport is VPZ.
The airport code for Grant County Regional Airport is JDA.
The airport code for Dare County Regional Airport is MEO.
The airport code for Garfield County Regional Airport is RIL.
The airport code for Lea County Regional Airport is HOB.