Post Offices
Post Offices in & near Spanish Flat, California. Operating hours, locations, phone/fax number, services information.
Oakvill Post Office
Post Office in Oakville, California on St Helena Hwy. Operating hours, phone number, services information, and other locations.
Address: 7856 St Helena Hwy, Oakville, CA 94562
Phone: 707-944-2600
Fax: 707-944-8640
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:00am - 12:00pm, 1:00pm - 4:00pmTuesday 8:00am - 12:00pm, 1:00pm - 4:00pm
Wednesday 8:00am - 12:00pm, 1:00pm - 4:00pm
Thursday 8:00am - 12:00pm, 1:00pm - 4:00pm
Friday 8:00am - 12:00pm, 1:00pm - 4:00pm
Saturday 8:00am - 11:30am
Sunday Closed
Lobby Hours
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 11:30pm
Sunday Closed
Last Collection Times
Monday 8:00am - 12:00pm, 1:00pm - 3:00pmTuesday 8:00am - 12:00pm, 1:00pm - 3:00pm
Wednesday 8:00am - 12:00pm, 1:00pm - 3:00pm
Thursday 8:00am - 12:00pm, 1:00pm - 3:00pm
Friday 8:00am - 12:00pm, 1:00pm - 3:00pm
Saturday Closed
Sunday Closed