Find Post office in Wassaic Near Me You can choose from the presented list of Post office in Wassaic, New York. Find Post office near me. United States Postal Service Establishment Finance Post office 18 Main Street, Wassaic, NY 12592 +1 800-275-8777 NEW-YORK-BD.COM Wassaic Post office Categories of companies in Wassaic, New York All categories Atm Bar Car repair Convenience store Doctor Electronics store Establishment Finance Food Gas station General contractor Health Home goods store Jewelry store Local government office Park Post office Supermarket