Post Offices
Post Offices in & near Pioneer, California. Operating hours, locations, phone/fax number, services information.
Pioneer Post Office
Post Office in Pioneer, California on State Highway 88. Operating hours, phone number, services information, and other locations.
Address: 24282 State Highway 88, Pioneer, CA 95666
Phone: 209-295-7490
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 4:00pmTuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 4:15pmTuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 1:30pm
Sunday Closed