Jangjeonpyeong-ro, Hongcheon-eup, Hongcheon-gun postal codes (50)

On Jangjeonpyeong-ro in Hongcheon-eup, Hongcheon-gun the postal code depends on the building number: numbers 3–18 use 25143, numbers 52–128 use 25142, numbers 152-1–286 use 25119. Data as of August 2026.