Beonyeong-ro, Hongcheon-eup, Hongcheon-gun postal codes (86)
On Beonyeong-ro in Hongcheon-eup, Hongcheon-gun the postal code depends on the building number: numbers 2–38 use 25136, numbers 39–58 use 25137, numbers 59–79 use 25138. Data as of August 2026.