Tainan Airport Code

Tainan has one major airport Tainan Airport, whose IATA airport code is TNN.

Tainan Airport

IATA code	TNN
ICAO code	RCNN

Airport codes for other cities in Taiwan

City
Chiayi
Hengchun
Hualien
Kaohsiung
Kinmen
Magong
Matsu
Nangan
Orchid Island
Pingtung
Taichung
Tainan
Taipei
Taitung