The United States Postal Service located at 409 2nd Avenue East in Lyndon, Illinois, is a vital institution that provides essential postal and financial services to the community. As a post office, it offers a range of mailing and shipping options, as well as post office boxes for rent. Additionally, the USPS provides various financial services such as money orders and international money transfers. With a commitment to efficiency and reliability, the United States Postal Service plays a crucial role in connecting people and businesses across the country.