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 do I calculate mail delivery time? Quick Answer. According to the United States Postal System (USPS), First-Class mail, defined as any package or envelope weighing up to 13 ounces, generally has an expected delivery of 2-3 days, but can be as soon as one day. This mailing option is suited for light merchandise, personal correspondence and bills.