特定 とくてい郵便 ゆうびん きょくではありませんでした
tokuteiyūbinkyokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 特定郵便局

1. Was not a specific post office.; Was not a designated post office.

Past/Perfective
Negative
Polite
Formal Register