Main Campus - 425 Fawell Blvd. 
Glen Ellyn, IL
Student Contact Information:
  - Email: admissions@cod.edu
- Phone: (630) 942-2626
  - Email: cashiers@cod.edu
- Phone: (630) 942-2206
  - Email: counseling@cod.edu
- Phone: (630) 942-2259
  - Email: ce@cod.edu
- Phone: (630) 942-2208
  - Email: financialaid@cod.edu
- Phone: (630) 942-2251
  - Email: recordsoffice@cod.edu, prereq@cod.edu
- Phone: (630) 942-3838
  - Email: registration@cod.edu
- Phone: (630) 942-2377
- Hours: 
 Mon thru Thurs - 8am to 7pm
 Fri - 8am to 5pm
  - Email: studenthelp@dupage.edu
- Phone: (630) 942-2999
- Hours: 
 Mon thru Thr - 7:30am to 8:30pm
 Fri - 7:30am - 5:00pm
 Sat - 8:00am to 1:00pm
 Sun -12:00pm to 5:00pm
- Summer Term Hours: 
 Mon thru Thurs - 7:30am to 8:30pm
 Fri - CLOSED
 Sat - CLOSED
 Sun - Noon to 5:00pm
Vendor Contact Information:
  - Email: acctpay@cod.edu
- Phone: (630) 942-2228
  - Email: purchasing@cod.edu
- Phone: (630) 942-2217
Employee Contact Information:
  - Email: acctpay@cod.edu
- Phone: (630) 942-2228
  - Email: cdhumres@cod.edu
- Phone: (630) 942-2460
  - Email: cdpayroll@cod.edu
- Phone: (630) 942-2459
  - Email: vssprch@cod.edu
- Phone: (630) 942-2217
