The United States Postal Service (USPS) is the only organization in the country that regularly delivers to every residential and business address. Committed to providing secure, reliable, and affordable delivery of mail and packages, USPS manages over 30,000 retail locations and constantly innovates to enhance customer experiences. Customers praise the friendly and professional staff, as well as the great customer service they receive at their local post offices. USPS processes and delivers 47 percent of the world's mail, serving more than 157 million addresses in the United States, its territories, and its military bases worldwide.