United States Postal Service Northport Home / Directory / Contact (800) 275-8777 https://tools.usps.com/go/POLocatorDetailsAction!input.action?&radius=20&locationType=po&locationTypeQ=po&locationID=1375537&utm_source=google-my-business-url&utm_medium=search&utm_campaign=yext 240 Main St, Northport, NY 11768
