As of 2016, you could find 110,760 postal service mail sorters, processors, and processing machine operators working in the United States. Beyond that, thousands more Americans worked at private shipping companies. Together, these professionals deliver billions of parcels and letters each year.

And while the average American has no idea how this interconnected mail service actually works, for businesses that rely on prompt delivery or direct mail, it is essential to have a basic understanding of how the U.S. Postal System functions.

At Certified Mail Labels, we get a lot of questions about USPS Certified Mail letters and labels. When you are dealing with a particular time-sensitive issue, one of the most important questions you may have is this:

How Long Will It Take To Deliver a Certified Letter?

The honest answer...that's up to you!