Gongjaksan-ro, Yeonggwimi-myeon, Hongcheon-gun postal codes (395)
On Gongjaksan-ro in Yeonggwimi-myeon, Hongcheon-gun the postal code depends on the building number: numbers 329–414 use 25152, numbers 439–1074 use 25154, numbers 1081–2178-35 use 25155. Data as of August 2026.