Codes Postaux en Seongdong
Haengdang-Dong 04713, 04714, 04715, 04716, 04717, 04719, 04744, 04745, 047…
Majang-Dong 04704, 04705, 04748, 04749, 04752, 04753, 04754, 04755, 047…
Oksu-Dong 04725, 04731, 04732, 04733, 04734, 04735, 04736, 04739
Yongdap-Dong 04752, 04761, 04803, 04804, 04805, 04806, 04807, 04808, 048…