PostcodeNorth Chungcheong
Postcode 28023
28023
Other points nearby
- 3.1 km
- 3.4 km
- 4.9 km
About this area
28023 covers 괴산읍 in North Chungcheong, South Korea.
The nearest post office is 괴산우체국, about 3.1 km from the centre of the area.
We compile postcodes from recorded addresses. For an official lookup, use the postal operator’s own postcode search.