31900
대산읍, 서산시 - South Korea
Postal code 31900 corresponds to 대산읍, 서산시, in 충청남도 (South Korea).
- Country
- South Korea (KR)
- Department
- 충청남도
- Municipality
- 서산시
- Coordinates
- 36.9868, 126.3641Degrees, minutes, seconds: 36°59'12"N 126°21'51"E
- Time zone
- Asia/Seoul (UTC+9)
- Dialing code
- +82
How to write the address
31900 대산읍 충청남도 South Korea
Nearby codes