What is the section number of a class? Where can I find the section number of a class? Jamie Applegate September 03, 2019 23:30 Updated Follow The section numbers of a class are the last there numbers in a class name. For instance, the section number below is L01 . Related articles Is the class schedule online? How to register for Classes [Video Guide] How can I see the full list of classes offered? How do I register for classes? Does the credit transfer for an institutional exam? Comments 0 comments Article is closed for comments.