A pager is a wireless telecommunications device that receives and displays numeric or text messages, or receives and announces voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.
Other Shipping Options. If you choose to ship via Priority Mail in something other than flat rate packaging, youâll pay a rate based on the weight of the package and the zone you are shipping to. You can use your own packaging or USPS non-flat-rate packaging, but the packages must be clearly marked as Priority Mail.
How to track USPS priority mail express? United States Postal Service assigns a unique number to each mail item or package that is shipped through USPS. This number is called USPS Tracking Number, use this number to track your mail item. Visit the official website of US Postal Service i.e. USPS.com to track your priority express mail package.