PostNet Diamond Bar324 S Diamond Bar Blvd Diamond Bar, CA 91765 USMain Number(909) 860-1490(909) 860-1490Get DirectionsCenter InformationDay of the WeekHoursMon8:30 AM - 7:00 PMTue8:30 AM - 7:00 PMWed8:30 AM - 7:00 PMThu8:30 AM - 7:00 PMFri8:30 AM - 7:00 PMSat9:00 AM - 4:00 PMSunClosed
