activePDF Toolkit 2011 API Reference
Intelligent Mail

Glossary Item Box

Other Names

4-State Customer Barcode

Overview

Developed by the United States Post Office, the Intelligent Mail® barcode is a height-modulated barcode used for automated mail sorting and addressing.

 

Encoding

Codeable characters: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.


Structure

  • 20, 25, 29 or 31 digit string consisting of:
    • 20 digits Tracking Code
    • Routing Code (= ZIP Code with 0, 5, 9, or 11 digits). The second digit must be "0" - "4"
  • Check digit. Toolkit automatically adds the symbology specific check digit.