The USPS is among one of many companies gearing up to best serve customers during the holiday season. Here's what happens ...

First class mail is typically delivered from 1-5 days, while marketing materials, periodicals and packages are delivered in one, two or three-day service.

Ahead of the busy shipping season, USPS has launched “Project Safe Delivery” to highlight safety features and educate the ...

Add a description, image, and links to the tracking-number topic page so that developers can more easily learn about it.

Informed Delivery app from USPS shows you pics of your mail before it gets there. Is it safe? How to download for Apple iPhone and Google Android ...