Managed Service Point?

there is a sticker in my mailbox with a barcode that says managed service point and its from usps
anyone know why this is on my mailbox?
~Craig

From the USPS Abbreviations Glossary at http//www.quine.org/uspsglos-z.html[]http//www.quine.org/uspsglos-z.html

Managed Service Point (tracking barcode scanning points for letter carriers)