The post box is located by the South and North Wing International departure gates as indicated with red circles. There is also a post office that is located in the airport mall which you will see is indicated with a purple circle. The post office is open from 8:30 to 20:00 everyday
There is a post box located by the North International departure gate and another one that is located right by the South International departure gate as indicated with red circles. The post office is located near the C and D check-in counters which you will see is indicated with a purple circle. Post office is open from 8:30 to 20:00 everyday.
The post box is located near the food court and right in front of the Domestic flights security check as indicated with red circle.
The post box is located between the E and F check-in counter as indicated with red circles.
The post box is location by AIU and Mitsui Sumitomo Insurance (#20 and #21).
The post box is located near the information desk indicated as the red circle and the airport post office is located in the North shop which is indicated as the purple circle. Please note that the post office is only open from 9am-5pm everyday.
There is a post box located right near the information desk.