US Post OfficeWrite a Review800-275-8777Be the first to review!170 High St, Waltham, MA 02453Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?NeighborhoodSouth SideCategoriesPost Offices, Mail & Shipping Services Suggest an Edit