郵便 ゆうびん本局 ほんきょくじゃありませんでした
yūbinhonkyokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 郵便本局

1. Was not the main post office.; Was not a central post office.

Past/Perfective
Negative
Polite
Terminal Form