Baeksu-ro 18-gil, Yeonggwang-eup, Yeonggwang-gun postal codes (57)
On Baeksu-ro 18-gil in Yeonggwang-eup, Yeonggwang-gun the postal code depends on the building number: numbers 5–37 use 57038, numbers 91–97-10 use 57024, numbers 129–147 use 57035. Data as of August 2026.