Wonbon-ro 1-gil, Wongok-dong, Danwon-gu, Ansan-si postal codes (38)
On Wonbon-ro 1-gil in Wongok-dong, Danwon-gu, Ansan-si the postal code depends on the building number: numbers 4–12 use 15378, numbers 15-1–24 use 15376. Data as of August 2026.
On Wonbon-ro 1-gil in Wongok-dong, Danwon-gu, Ansan-si the postal code depends on the building number: numbers 4–12 use 15378, numbers 15-1–24 use 15376. Data as of August 2026.