Muhak-ro 49beon-gil, Gwangan-dong, Suyeong-gu postal codes (77)
On Muhak-ro 49beon-gil in Gwangan-dong, Suyeong-gu the postal code depends on the building number: numbers 4–30 use 48270, numbers 40–54 use 48269, numbers 62–80 use 48268, and 1 more ranges. Data as of August 2026.