・ 音 キョク
Sino-Vietnamese: cục
尸 here is a roof curving down over 口: a small room partitioned off inside a larger building. A bureau, an office — 郵便局 the post office.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
郵便局はどこですか。 (ゆうびんきょくはどこですか)
Where is the post office?