Songhakgangbyeon-ro, Hongcheon-eup, Hongcheon-gun postal codes (10)
On Songhakgangbyeon-ro in Hongcheon-eup, Hongcheon-gun the postal code depends on the building number: numbers 11–29 use 25140, number 101 use 25141. Data as of August 2026.
| Address | Postal code | Building |
|---|---|---|
| Songhakgangbyeon-ro 11 | 25140 | |
| Songhakgangbyeon-ro 13-4 | 25140 | |
| Songhakgangbyeon-ro 15 | 25140 | |
| Songhakgangbyeon-ro 17-8 | 25140 | |
| Songhakgangbyeon-ro 17-10 | 25140 | |
| Songhakgangbyeon-ro 19 | 25140 | |
| Songhakgangbyeon-ro 23 | 25140 | |
| Songhakgangbyeon-ro 27 | 25140 | |
| Songhakgangbyeon-ro 29 | 25140 | |
| Songhakgangbyeon-ro 101 | 25141 |