166,875,000,000 pieces of mail are delivered each year in the U.S. Posted on June 9, 2013November 8, 2013 by admin 166,875,000,000 pieces of mail are delivered each year in the U.S. VN:F [1.9.22_1171]please wait...Rating: 0.0/5 (0 votes cast)VN:F [1.9.22_1171]Rating: 0 (from 0 votes)