Post office in Grizzly Flats Near Me Find Post office in Grizzly Flats near me. Closed now United States Postal Service Establishment Finance Post office 4991 Sciaroni Road, Grizzly Flats, CA 95636 +1 800-275-8777 CALIFORNIA-PAGES.COM Grizzly Flats Post office Categories of companies in Grizzly Flats, California All categories Campground Doctor Establishment Finance General contractor Health Insurance agency Lodging Park Post office Real estate agency