Contact Us

Global Headquarters

3500 Lacey Road, Suite 100
Downers Grove, IL 60515
Phone: 630.678.8300
Fax: 630.678.8384

International Offices

Follow the link for a complete listing of CompTIA's international offices.


Customer Service

Visit our Help section for more than 70 articles with answers to the most common questions we receive.

If you would like to talk to someone on our customer service team, you can reach us at 866.835.8020. Our representatives are available to assist you Monday through Friday, from 7 a.m. to 7 p.m. CT.

CompTIA Social Networks

Passing the exam made it possible for me to earn 17 college credits. That enabled me to take advanced courses in college much sooner, which reduced the time it took to graduate by one and a half semesters. I saved over $3,000 in tuition and books.
Christian Johnson
Hill International

Read Others | Share Your Story