Cheonho-daero 121-gil, Junggok-dong, Gwangjin-gu postal codes (45)
On Cheonho-daero 121-gil in Junggok-dong, Gwangjin-gu the postal code depends on the building number: numbers 3–13 use 04931, numbers 22–46 use 04924, numbers 53–79 use 04923. Data as of August 2026.