USPS Intelligent Mail Barcode

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The United States Postal Service requires the Intelligent Mail barcode (IMb) on all commercial letter and flat mailpieces to qualify for automation-based postage discounts. The 65-bar symbology encodes a tracking code, routing zip code, and mailer ID to enable real-time mail tracking and delivery confirmation.

  



  

  




  
Required Symbologies

  

    
    
      Intelligent Mail
    
    
  





  
  

    
Industry

    
      Postal & Shipping