Post Office Closed On Columbus Day 2024. In observance of the columbus day holiday, postal service facilities will be closed for retail services and there will be no regular mail deliveries on monday, october 14, 2024. Anyone in need of shipping supplies can.

14 is the federal holiday of columbus day, which means many. Chicago, il — retail services at post offices in illinois will be closed on monday, october 14th in recognition of columbus day.