Columbus Day 2024 Mail Delivery Dates. Here's what to know about mail delivery and bank closures for columbus day and indigenous peoples day on oct. From thu 3:00 am edt until thu 9:00 am edt, eastern dutchess county, eastern ulster county, western dutchess county.

Indigenous peoples’ day (or columbus day) is another federal holiday the usps observes. 11, and the postal service will not deliver regular mail or packages on that date.