Columbus Day 2025 Mail Delivery Date. Here are the postal service holidays for 2025:. All postal service retail locations will be closed, and there will be no residential or business mail delivery on monday, oct.

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. Mail delivery on columbus day/indigenous peoples’ day 2025.