Yeonbong-ro 11-gil, Hongcheon-eup, Hongcheon-gun postal codes (59)
On Yeonbong-ro 11-gil in Hongcheon-eup, Hongcheon-gun the postal code depends on the building number: numbers 3–22 use 25146, numbers 23–56 use 25147. Data as of August 2026.
On Yeonbong-ro 11-gil in Hongcheon-eup, Hongcheon-gun the postal code depends on the building number: numbers 3–22 use 25146, numbers 23–56 use 25147. Data as of August 2026.