Go to the USPS Website
Intelligent Mail® Barcode

RIBBS Intelligent Mail® Barcode Resource Download Site Intelligent Mail® Mailer ID Application

Documents:

Mailer ID Application Process (.pdf)

Mailer ID Application (.pdf)

Additional Accounts Information (.pdf)

If you need assistance, please contact the U. S. Postal Service
National Customer Support Center at 877-640-0724, option 2
or email the NCSC at onecodesolution@usps.gov