Post office in Rio Dell Near Me Find Post office in Rio Dell near me. Closed now United States Postal Service Establishment Finance Post office 315 Wildwood Avenue, Rio Dell, CA 95562 +1 800-275-8777 CALIFORNIA-PAGES.COM Rio Dell Post office Categories of companies in Rio Dell, California All categories Atm Bus station Car repair Church Dentist Doctor Establishment Finance Food General contractor Health Liquor store Local government office Lodging Place of worship Post office Real estate agency Roofing contractor Rv park School Storage Transit station Travel agency