Post Offices
Post Offices in & near Montclair, California. Operating hours, locations, phone/fax number, services information.
Montclair Post Office
Post Office in Montclair, California on Benito St. Operating hours, phone number, services information, and other locations.
Address: 5186 Benito St, Montclair, CA 91763
Phone: 909-624-5438
Fax: 909-626-8096
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed
Last Collection Times
Monday 9:30am - 2:30pmTuesday 9:30am - 2:30pm
Wednesday 9:30am - 2:30pm
Thursday 9:30am - 2:30pm
Friday 9:30am - 2:30pm
Saturday Closed
Sunday Closed