About postal code 33400
The postal code 33400 routes mail to 천북면 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
33400 - 천북면
Postal code 33400 is 천북면 in 충청남도, South Korea.
| Postal code | 33400 |
| Place | 천북면 |
| Region | 충청남도 |
| District | 보령시 |
| Country | South Korea (KR) |
| Coordinates | 36.4958, 126.5031 (map) |