Sinseong-gil, Gangjin-eup, Gangjin-gun postal codes (46)
On Sinseong-gil in Gangjin-eup, Gangjin-gun the postal code depends on the building number: numbers 4–20 use 59236, numbers 21–31 use 59235. Data as of August 2026.
On Sinseong-gil in Gangjin-eup, Gangjin-gun the postal code depends on the building number: numbers 4–20 use 59236, numbers 21–31 use 59235. Data as of August 2026.