Fremont Post Office 4 years ago ID: #401173 Listed In : Government Offices 37010 Dusterberry Way, Fremont, CA 94536 510-792-0282 https://postofficeshours.com/ca/fremont/fremont/ Business Description Fremont Post Office in Alameda County, CA 94536. USPS Post office locations hours and phone numbers. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : fremont ca post office fremont post office post office hours fremont ca post office hours Fremont usps near fremont ca