How To Overnight A Letter To A Po Box. To ship something in priority mail, the package must weight less than 70 pounds (31.75 kg). Talk to a ups solutions expert open the link in a new window.
The shipper has different shipping options available, the fastest shipping option is a same day or overnight service. You will of course need an address which cannot be a po box (unless you use the usps). Size price (single) price (bulk) small dl (window face) max.
The united states postal service is the only overnight mail service allowed to deliver documents or packages to a post office box.
Ups transfers the package to the regional post office to complete the final delivery to my po box. Sending certified mail to a po box address. Check the priority mail guidelines. The shipper has different shipping options available, the fastest shipping option is a same day or overnight service.