You can find 1 town halls locally like "서하면사무소" In term of post offices you can find 1 location in the region (like "서하우체국 Seoha Post Office"). In term of banks and/or ATMs you can find 1 places (like "안의농협").
About gas stations, 1 possibilities exist (like "경호주유소 Gyeongho Juyuso").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Naver.
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