Sumun-gil 21beon-gil, Okcheon-dong, Gangneung-si postal codes (16)
On Sumun-gil 21beon-gil in Okcheon-dong, Gangneung-si the postal code depends on the building number: numbers 3–17 use 25555, numbers 21–32 use 25554. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Sumun-gil 21beon-gil 3 | 25555 | |
| Sumun-gil 21beon-gil 5 | 25555 | |
| Sumun-gil 21beon-gil 7 | 25555 | |
| Sumun-gil 21beon-gil 9 | 25555 | |
| Sumun-gil 21beon-gil 11 | 25555 | |
| Sumun-gil 21beon-gil 13 | 25555 | |
| Sumun-gil 21beon-gil 17 | 25555 | |
| Sumun-gil 21beon-gil 21 | 25554 | |
| Sumun-gil 21beon-gil 22 | 25554 | |
| Sumun-gil 21beon-gil 23 | 25554 | |
| Sumun-gil 21beon-gil 23-1 | 25554 | |
| Sumun-gil 21beon-gil 24-1 | 25554 | |
| Sumun-gil 21beon-gil 25 | 25554 | |
| Sumun-gil 21beon-gil 26 | 25554 | 금잔디아파트 |
| Sumun-gil 21beon-gil 28 | 25554 | |
| Sumun-gil 21beon-gil 32 | 25554 |