The PIN is a number that you set up to be able to see the details of your library account, such as what books you have checked out.
You can set this up yourself by going to my library account. Enter your Banner ID and leave the PIN field blank. You will be prompted to create your PIN.
Text us: 314-582-0194
Call us: 314-977-3087 
Walk in: Mon-Fri 9 am-5 pm 