The airport code for Imperial County Airport is IPL.
The airport code for Delaware County Airport is MIE.
The airport code for Marin County Airport is NOT.
The airport code for Culberson County Airport is VHN.
The airport code for Lethbridge County Airport is YQL.
The airport code for Napa County Airport is APC.
The airport code for Caledonia County Airport is LLX.
The airport code for Greenlee County Airport is CFT.
The airport code for Wilkes County Airport is IKB.
The airport code for Aransas County Airport is RKP.
The airport code for Dillon County Airport is DLL.
The airport code for Yuba County Airport is MYV.
The airport code for Okeechobee County Airport is OBE.