Money Over 5,800 letter carriers were attacked by dogs in 2020, US Postal Service says June 13, 2021June 14, 2021Jordan Mendoza, USA TODAYComments Off on Over 5,800 letter carriers were attacked by dogs in 2020, US Postal Service says The United States Postal Service announced which cities and states had the most dog attacks in 2020, with Houston and California topping the lists.