usps overnight to po box

usps overnight to po box USPS offers overnight delivery services to PO Boxes through its Priority Mail Express service. This is the fastest USPS service, ensuring that packages are delivered the next business day. When sending an item to a PO Box, customers must ensure that the recipient’s PO Box address is correctly provided. USPS Priority Mail Express to a PO Box guarantees delivery by 10:30 AM the following day, making it ideal for urgent shipments that need to arrive quickly. It also includes tracking and insurance coverage.