No rule for this one
No ending or word group predicts the article of Empfang. Learn it as a pair and say it out loud: der Empfang.
der Empfang
It's der Empfang. Empfang is masculine, plural die Empfange.
Der Empfang ist im Erdgeschoss.
Reception is on the ground floor.
No ending or word group predicts the article of Empfang. Learn it as a pair and say it out loud: der Empfang.