The United States Postal Services delivers more mail to more addresses in a larger geographical area than any other post in the world. The Postal Service delivers to more than 151 million homes, businesses and Post Office Boxes in every state, city, town, village, and borough in America.
The USPS is the ONLY delivery service that reaches every address in America and does so SIX DAYS A WEEK. Everyone living in the United States of America and its territories has access to postal products and services and pays the same for postage regardless of their location.
The United States Postal Service connects every American, every door, every business, everywhere across this great country by delivering America's mail. This universal service is part of a $900 billion industry that drives American commerce, plays an integral part of every American community and remains the greatest value of any post in the world.
Tony Hutson, via Branch 1779 National Association of Letter Carriers