The post office in Belmont is centrally located between U.S. Highway 101 and El Camino Real. Split into two rooms, one with P.O. boxes and the other for shipping and receiving, the post office offers a variety of services including passport applications and outdoor mailboxes. This post office is conveniently open six days a week, and the P.O. box lobby is open 24 hours a day, seven days a week.