Cheongja-ro, Chillyang-myeon, Gangjin-gun postal codes (102)
On Cheongja-ro in Chillyang-myeon, Gangjin-gun the postal code depends on the building number: numbers 232-211–484-12 use 59255, numbers 515-8–726-20 use 59259, numbers 744–1068-10 use 59260, and 1 more ranges. Data as of August 2026.