Post Offices

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

Mission San Luis Ob Post Office

Mission San Luis Obispo Post Office in San Luis Obispo, California on Marsh St. Operating hours, phone number, services information, and other locations.

Address: 893 Marsh St, San Luis Obispo, CA 93401
Phone: 805-541-9138
Fax: 805-542-0256
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 10:00am - 5:00pm
Tuesday 10:00am - 5:00pm
Wednesday 10:00am - 5:00pm
Thursday 10:00am - 5:00pm
Friday 10:00am - 5:00pm
Saturday 10:00am - 2:00pm
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:00pm
Sunday Closed