What is isc usps chicago?

ISC USPS Chicago stands for International Service Center United States Postal Service Chicago. It is a facility that processes international mail and packages. The facility is located at O'Hare International Airport and serves as a gateway for international mail coming into and leaving the United States. It processes millions of pieces of mail and packages each year from all over the world. The ISC USPS Chicago plays a critical role in facilitating international trade, commerce, and communication. The center operates 24 hours a day and seven days a week, and employs thousands of people to ensure the efficient and timely processing of international mail.