USPS is the United States Postal Service and is the federal division of couriers. It also goes by other names like the Post Office, US Mail, or national postal services. It is an entirely independent agency of the executive branch in the US Government. It is used by people working in the postal service all across the US. The USPS has been around since the early days of 1775. It is a constitutionally mandated government agency. Today we are going to learn about Liteblue. It is the website used for internal communications within USPS. Every employee has access to an online employee ID and password to access the site. This website is used to connecting teams working in the same service all over the country. To know more about this service, go through this article. We will provide you with all the necessary information.