Sutgogae-gil, Unju-myeon, Wanju-gun postal codes (77)
On Sutgogae-gil in Unju-myeon, Wanju-gun the postal code depends on the building number: numbers 6-3–23 use 55301, numbers 168–370-1 use 55300. Data as of August 2026.
On Sutgogae-gil in Unju-myeon, Wanju-gun the postal code depends on the building number: numbers 6-3–23 use 55301, numbers 168–370-1 use 55300. Data as of August 2026.