PEK

• 北京首都国際空港(Beijing Capital International)

XXB

• 北京清河駅(Beijing Qinghe Railway Station)

XXN

• 北京西駅(Beijing West Railway Station)

PKX

• 北京大興国際空港(Beijing Daxing International)

XXE

• 北京朝陽駅(Beijing Chaoyang Railway Station)

XXY

• 北京北駅(Beijing North Railway Station)