Post office in Whitethorn Near Me Find Post office in Whitethorn near me. United States Postal Service Establishment Finance Post office 498 Shelter Cove Road, Whitethorn, CA 95589 +1 800-275-8777 CALIFORNIA-PAGES.COM Whitethorn Post office Categories of companies in Whitethorn, California All categories Atm Bar Cafe Campground Electrician Establishment Finance Fire station Food General contractor Lodging Park Place of worship Post office Real estate agency Restaurant School Spa Storage Travel agency University