About postal code 31943
The postal code 31943 routes mail to 운산면 in the 충청남도 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
31943 - 운산면
Postal code 31943 is 운산면 in 충청남도, South Korea.
| Postal code | 31943 |
| Place | 운산면 |
| Region | 충청남도 |
| District | 서산시 |
| Country | South Korea (KR) |
| Coordinates | 36.8171, 126.575 (map) |