These are the principal streets: 외산로, 만수로.
About gas stations, 1 possibilities exist (like "아미산휴게소").
For supermarkets you have 1 places with "외산마트" for example.
As "부여경찰서 외내산파출소", 1 police stations exist in the area. You can find 1 town halls locally like "외산면 행정복지센터" In term of banks and/or ATMs you can find 1 location in the region (like "구룡농협").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Naver.
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