All My Papers Software Reads Postal Barcodes

In order to receive automation discounts, bulk mailers will be required to use Intelligent Mail (IM barcodes) after January 2013. The PostNet code can still be used to mail but will not provide the mailer a discount.  All My Papers barcode SDK will find and read IM barcodes from image files including those captured from smartphones and extracts the data encoded within the barcode.



Discontinued PostNet™

Postal barcode  

Intelligent Mail™


 4state1  4state2


AMP'S Barcode software can extract the data encrypted in Intelligent Mail barcode (formerly known as 4-State Customer barcode). The IM barcode is a height-modulated barcode that uses four distinct vertical bar types as shown in the table below:


  1. Full
  2. Ascender
  3. Descender
  4. Tracker


The IMb Postal Barcode has more data capacity and provides mailers with more digits with which to implement structures such as tracking numbers and allows mailers to participate in a wider range of USPS service programs.

 For more information on Intelligent Mail click here:

The AMPLIB Barcode SDK is designed for anyone working with or implementing a system that will need to extract information using this new code from scanned images. The AMPLIB Barcode SDK will reduce implementation costs, time, and ongoing maintenance efforts.

The AMPLIB Barcode SDK auto-differentiates between US, Australian, United Kingdom and other postal implementations of the 4-state barcode.

The term “Intelligent Mail” refers to services offered by the United States Postal Service for domestic mail delivery. This barcode goes by many names:

  • Intelligent Mail Barcode
  • IM barcode
  • OneCode Solution
  • 4 state Customer Barcode
  • 4CB 4-CB USPS4CB
  • Intelli code

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