Post Offices
Post Offices in & near Greenfield, California. Operating hours, locations, phone/fax number, services information.
Greenfield Post Office
Post Office in Greenfield, California on Oak Ave. Operating hours, phone number, services information, and other locations.
Address: 846 Oak Ave, Greenfield, CA 93927
Phone: 831-674-1201
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
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
Lobby Hours
Monday 4:00pmTuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 11:00am
Sunday Closed
Last Collection Times
Monday 8:30am - 2:00pmTuesday 8:30am - 2:00pm
Wednesday 8:30am - 2:00pm
Thursday 8:30am - 2:00pm
Friday 8:30am - 2:00pm
Saturday Closed
Sunday Closed