About postal code 28331
The postal code 28331 routes mail to 청주시 청원구 in the 충청북도 region of South Korea. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
South Korea · Postal code
28331 - 청주시 청원구
Postal code 28331 is 청주시 청원구 in 충청북도, South Korea.
| Postal code | 28331 |
| Place | 청주시 청원구 |
| Region | 충청북도 |
| District | 청주시 청원구 |
| Country | South Korea (KR) |
| Coordinates | 36.667, 127.4872 (map) |