Post Offices
Post Offices in & near Wilbur Springs, California. Operating hours, locations, phone/fax number, services information.
Clearlak Post Office
Post Office in Clearlake, California on Olympic Dr. Operating hours, phone number, services information, and other locations.
Address: 14500 Olympic Dr, Clearlake, CA 95422
Phone: 707-994-6790
Fax: 707-994-9746
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 5:00pmTuesday 10:00am - 5:00pm
Wednesday 10:00am - 5:00pm
Thursday 10:00am - 5:00pm
Friday 10:00am - 5:00pm
Saturday 10:00am - 12:30pm
Sunday Closed
Lobby Hours
Monday 4:15pmTuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 11:00am
Sunday Closed
Last Collection Times
Monday 11:00am - 4:00pmTuesday 11:00am - 4:00pm
Wednesday 11:00am - 4:00pm
Thursday 11:00am - 4:00pm
Friday 11:00am - 4:00pm
Saturday Closed
Sunday Closed
Clearlake Oak Post Office
Address: 13280 E Highway 20, Clearlake Oaks, CA 95423
Phone: 707-998-3544
Fax: 707-998-3544
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Lower Lak Post Office
Address: 16165 Main St, Lower Lake, CA 95457
Phone: 707-994-6357
Fax: 707-994-6243
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Clearlake Park Post Office
Address: 13417 Lakeshore Dr, Clearlake Park, CA 95424
Phone: 707-994-2382
Fax: 707-994-5071
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
William Post Office
Address: 801 E St, Williams, CA 95987
Phone: 530-473-2472
Fax: 530-473-3418
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Glenhaven Post Office
Address: 9530 Highway 20, Glenhaven, CA 95443
Phone: 707-998-3878
Fax: 707-998-3878
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Arbuckl Post Office
Address: 415 5th St, Arbuckle, CA 95912
Phone: 530-476-2235
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Guinda Post Office
Address: 7575 State Highway 16, Guinda, CA 95637
Phone: 530-796-3851
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Lucern Post Office
Address: 6054 E Highway 20, Lucerne, CA 95458
Phone: 707-274-1294
Fax: 707-274-1294
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Maxwell Post Office
Address: 260 Oak St, Maxwell, CA 95955
Phone: 530-438-2552
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Kelseyvill Post Office
Address: 5500 Gaddy Ln, Kelseyville, CA 95451
Phone: 707-279-4562
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457