Ttanggul-ro, Haean-myeon, Yanggu-gun postal codes (70)
Ttanggul-ro in Haean-myeon, Yanggu-gun uses 2 postal codes, and they do not follow the building numbers in order, so check your building in the table. Data as of August 2026.
Ttanggul-ro in Haean-myeon, Yanggu-gun uses 2 postal codes, and they do not follow the building numbers in order, so check your building in the table. Data as of August 2026.