郵便 ゆうびん本局 ほんきょくじゃなかったです
yūbinhonkyokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 郵便本局

1. Wasn't the main post office.; Wasn't a main post office.

Past/Perfective
Negative
Polite
Casual Register