Post Offices

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

Thornton Post Office

Post Office in Thornton, California on Stockton St. Operating hours, phone number, services information, and other locations.

Address: 8494 Stockton St, Thornton, CA 95686
Phone: 209-794-2651
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:45am - 12:30pm, 1:30pm - 4:45pm
Tuesday 9:45am - 12:30pm, 1:30pm - 4:45pm
Wednesday 9:45am - 12:30pm, 1:30pm - 4:45pm
Thursday 9:45am - 12:30pm, 1:30pm - 4:45pm
Friday 9:45am - 12:30pm, 1:30pm - 4:45pm
Saturday Closed
Sunday Closed

Lobby Hours

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 10:30am
Sunday Closed

Last Collection Times

Monday 10:30am - 12:30pm, 1:30pm - 3:30pm
Tuesday 10:30am - 12:30pm, 1:30pm - 3:30pm
Wednesday 10:30am - 12:30pm, 1:30pm - 3:30pm
Thursday 10:30am - 12:30pm, 1:30pm - 3:30pm
Friday 10:30am - 12:30pm, 1:30pm - 3:30pm
Saturday Closed
Sunday Closed