For post offices you have 1 locations.
About bars/cafes, 1 possibilities exist (like "ラヴァー・ズ").
You can find 1 tourism places locally like "大野町民俗資料館"
In term of nurseries you can find 1 places (like "東保育園"). For schools you have 1 places with "町立東小学校" for example.
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Suumo.