South Korea
28143 post code
Post code details
1 placeCode
Place
내수읍
Region
충청북도
County
청주시 청원구
Coordinates
36.721, 127.525
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.721, 127.525© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| 내수읍 | 충청북도 | 청주시 청원구 | 36.721, 127.525 |
Same code in other countries
4FAQ
Which city is 28143 in?
내수읍, 충청북도, South Korea.
What are the coordinates of 28143?
36.721, 127.525
Is 28143 used in other countries?
Yes, 4 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