Jan. 13, 2023
CHICAGO IL — Chicago area Post Offices will be closed on Monday, January 16, 2023 in observance of the federal holiday marking the birthday of Civil Rights Movement champion Martin Luther King Jr. His official birthday is Jan. 15. The holiday is commonly referred to as Martin Luther King Day. There will not be any mail delivery or retail service on January 16. All services resume on Tuesday, January 17. Post Offices will be open regularly scheduled hours on Saturday, January 14.