区域列表
- 350-701 - Cheongundaehakgyo/청운대학교, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-805 - Daegyo ri 1/대교1리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-805 - Daegyo ri 2/대교2리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-806 - Daegyo ri 3/대교3리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-806 - Daegyo ri 4/대교4리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-805 - Daegyori/대교리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-801 - Goamri/고암리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-802 - Guryongri/구룡리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-802 - Hakgyeri/송월리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-800 - Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-703 - Hongseonggineungdaehak/홍성기능대학, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-704 - Hongseongguncheong/홍성군청, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-800 - Hongseongucheguk/홍성우체국, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-702 - Hyejeondaehak/혜전대학, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-804 - Naebeopri/내법리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-752 - Namjangri/남장리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-803 - Namjangri/남장리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-756 - Ogamri/옥암리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-808 - Ogamri/옥암리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남
- 350-753 - Ogwanri/오관리, Hongseong-eup/홍성읍, Hongseong-gun/홍성군, Chungcheongnam-do/충남