Post Offices
Post Offices in & near Kaiser, California. Operating hours, locations, phone/fax number, services information.
Etiwanda Post Office
Etiwanda Post Office in Rancho Cucamonga, California on Etiwanda Ave. Operating hours, phone number, services information, and other locations.
Address: 7615 Etiwanda Ave, Rancho Cucamonga, CA 91739
Phone: 909-899-8644
Fax: 909-987-3653
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 4:00pmTuesday 8:00am - 4:00pm
Wednesday 8:00am - 4:00pm
Thursday 8:00am - 4:00pm
Friday 8:00am - 4:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 8:00am - 4:00pmTuesday 8:00am - 4:00pm
Wednesday 8:00am - 4:00pm
Thursday 8:00am - 4:00pm
Friday 8:00am - 4:00pm
Saturday Closed
Sunday Closed
Last Collection Times
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 3:00pm
Sunday Closed