Post Offices

Post Offices in & near Rancho Cucamonga, California. Operating hours, locations, phone/fax number, services information.

Rancho Cucamonga Post Office

Post Office in Rancho Cucamonga, California on Arrow Rte. Operating hours, phone number, services information, and other locations.

Address: 10950 Arrow Rte, Rancho Cucamonga, CA 91729
Phone: 909-483-2184
Fax: 909-987-3653
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 9:00am - 3:00pm
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 5:00pm
Sunday Closed

Last Collection Times

Monday 9:30am - 12:00pm, 1:00pm - 4:00pm
Tuesday 9:30am - 12:00pm, 1:00pm - 4:00pm
Wednesday 9:30am - 12:00pm, 1:00pm - 4:00pm
Thursday 9:30am - 12:00pm, 1:00pm - 4:00pm
Friday 9:30am - 12:00pm, 1:00pm - 4:00pm
Saturday Closed
Sunday Closed