1A post office — a facility that handles mail, sells stamps, and offers postal savings and other services.
この手紙を出すために郵便局へ行った。
I went to the post office to send this letter.
郵便局は午後五時に閉まる。
The post office closes at five in the afternoon.
郵便局で荷物の重さを測ってもらった。
I had the parcel weighed at the post office.
家の近くに郵便局があって便利だ。
It's convenient that there's a post office near my house.