Fact Sheets
02/01/2021
Mailer Identifier (MID) Exception Process

The Postal Service will issue a Mailer Identifier (MID) to a mailer for use in the Intelligent Mail® container barcode, Intelligent Mail® tray barcode, Intelligent Mail® barcode or Intelligent Mail® package barcode. The MID is a field within the Intelligent Mail barcodes and is used to identify the mailer.

Fact Sheets
01/08/2021
Full-Service Certified Mail Service Providers (MSP) Information Sheet

The list of certified MSPs is updated frequently. To ensure that you have the most current list of certified MSPs visit https://postalpro.usps.com/certifiedmsps

 

 

Fact Sheets
01/07/2021
January 2021 Price Change Fact Sheet
Fact Sheets
11/10/2020
Move Update Methods Requirements Fact Sheet

This fact sheet identifies the variety of products and services that help improve the accuracy of mailing lists, the quality of the physical addresses, and provide Change-of-Address (COA) information.

Fact Sheets
11/05/2020
Address Quality Census Measurement and Assessment Process (AQCMAP) Fact Sheet