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 How can I see the full list of classes offered? How to register for Classes [Video Guide] Is the class schedule online? How do I clear my prerequisite? How do I register for classes? Comments 0 comments Article is closed for comments.