When it comes to postal mail delivery service people of America trust only one company and that is United State Postal Service (USPS). USPS is known for its outstanding mail delivery service but it is seen that most of the customers of USPS do not know when it remains closed. As such most people have one common query – whether USPS remains closed on Columbus Day or not. Is UPS open on Columbus DaySo, if you are a USPS customer and you also have the same query in your mind then the correct and simplest answer is – No! USPS does not run on Columbus Day. USPS indeed works very hard to satisfy its customers but on federal holidays like Columbus Day, it remains closed. USPS has a culture of working hard during working hours and enjoying to the fullest extent at the time of holidays and special moments. As Columbus Day is a special day for all Americans and the whole country celebrates this day, USPS does not keep them away from the celebration on this special moment. So, USPS uses to keep their office off on this day so that the workers of USPS can celebrate this day to their fullest. But it does not mean that it compromises the quality of their service and delivers the mail or package late. What USPS does is that it delivers all its pending mail or packages one day before Columbus Day so that there is no pending mail or package left for Columbus Day. However, if any mail or package is in transit then it will be delivered one day after Columbus Day. So, when it comes to USPS Columbus Day hours you must remember that the office will remain closed for the whole day and no mail will be delivered. So, it is always advisable to do the shipment a little earlier so that the package or mail can be delivered to the recipient well before Columbus Day. IS USPS open on Columbus DayThat is the reason why it becomes very essential to know the full holiday list of USPS which will help you to play your shipment accordingly. Hence, in this article, we have come up with a full detailed holiday of 2019 USPS as follows.