Post Offices
Post Offices in & near San Antonio, California. Operating hours, locations, phone/fax number, services information.
Casa Grande Annex Post Office
Casa Grande Annex Post Office in Petaluma, California on Corporate Cir. Operating hours, phone number, services information, and other locations.
Address: 1601 Corporate Cir, Petaluma, CA 94954
Phone: 707-769-5360
Fax: 707-763-7465
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed