COD Centers hours are as follows:
Addison Center Hours
- Monday through Thursday, 8:30 a.m. to 9 p.m.
- Friday, 8:30 a.m. to 3 p.m.
- Saturday, 8:30 a.m. to 1 p.m.
- Sunday, Closed
Addison Learning Commons and Testing Center hours
Carol Stream Center Hours
- Monday through Thursday, 7:30 a.m. to 9 p.m.
- Friday, 7:30 a.m. to 3 p.m.
- Saturday, 8 a.m. to 2 p.m.
- Sunday, Closed
Carol Stream Learning Commons and Testing Center hours
Naperville Center
- Monday through Thursday, 7:30 a.m. to 10 p.m.
- Friday and Saturday, 8 a.m. to 3 p.m.
- Sunday, Closed
Naperville Learning Commons and Testing Center hours
Westmont Center
- Monday through Thursday, 7:30 a.m. to 9 p.m.
- Friday, 7:30 a.m. to 4 p.m.
- Saturday, 8 a.m. to 2 p.m.
- Sunday, Closed