O..... South Korea Postcodes

List of the cities starting with O. South Korea Postcodes (Mobile version). Listing cities (4 place(s)). Select the City to see the postcode(s):
Ok-dong/옥동 (25)
Okgyo-dong/옥교동 (1)
Onsan-eup/온산읍 (21)
Onyang-eup/온양읍 (18)