Mail Delivery On Columbus Day 2025. Here are the postal service holidays for 2025: Postal service will be closed on monday in observance of the holiday.
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, 2025. Postal service observes columbus day as a holiday, which means there will be no regular residential or business mail.
