Post Offices
Post Offices in & near Middletown, California. Operating hours, locations, phone/fax number, services information.
Middletown Post Office
Post Office in Middletown, California on Calistoga Rd. Operating hours, phone number, services information, and other locations.
Address: 21177 Calistoga Rd, Middletown, CA 95461
Phone: 707-987-3201
Fax: 707-987-0692
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday Closed
Sunday Closed
Last Collection Times
Monday 8:30am - 4:00pmTuesday 8:30am - 4:00pm
Wednesday 8:30am - 4:00pm
Thursday 8:30am - 4:00pm
Friday 8:30am - 4:00pm
Saturday Closed
Sunday Closed