31704 postal code
South KoreaUpdated 2026-11-09고대면, 충청남도당진시5 digits
Postal code details
2 placesCode
31704
Place
고대면
Region
충청남도
County
당진시
Coordinates
36.9681, 126.5929
Accuracy
6 / 6
Country
South Korea
Location
OpenStreetMap ↗
36.9681, 126.5929© OpenStreetMap
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Places under this code
2| Place | Region | County | Coordinates |
|---|---|---|---|
| 고대면 | 충청남도 | 당진시 | 36.9681, 126.5929 |
| 석문면 | 충청남도 | 당진시 | 36.9669, 126.6141 |
FAQ
Which city is 31704 in?
고대면, 충청남도, South Korea.
What are the coordinates of 31704?
36.9681, 126.5929
Is 31704 used in other countries?
Yes, 4 other countries.
Updated 2026-11-09. Attribution in Data & license.