South Korea
28110 post code
Post code details
1 placeCode
Place
옥산면
Region
충청북도
County
청주시 흥덕구
Coordinates
36.6689, 127.3673
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.6689, 127.3673© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 옥산면 | 충청북도 | 청주시 흥덕구 | 36.6689, 127.3673 |
Same code in other countries
6FAQ
Which city is 28110 in?
옥산면, 충청북도, South Korea.
What are the coordinates of 28110?
36.6689, 127.3673
Is 28110 used in other countries?
Yes, 6 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in