Supported IMpb Types

Currently, EII supports all IMpb types that include a zip code.  They have been listed below, along with specific requirements for each, such as zip code and Mailer ID lengths.

• CO1
  • 9-digit Mailer ID
  • 9-digit zip code
• CO2
  • 9-digit Mailer ID
  • 5-digit zip code
• CO3
  • 9-digit Mailer ID
  • 5-digit zip code
• CO5
  • 6-digit Mailer ID
  • 9-digit zip code
• CO6
  • 6-digit Mailer ID
  • 5-digit zip code
• CO7
  • 6-digit mailer ID
  • 5-digit zip code

The software has been designed to generate only types CO1 and CO5, but it can read all 6 types listed above.  The other 4 types have been excluded because they do not include a zip code.