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

Certifications like CompTIA A+ are a very good way of ensuring everyone reaches a common level of understanding. It allows us to set a course benchmark from which everyone can proceed with their learning.
Rob Warrender
Principal Lecturer, University of Sunderland

Read Others | Share Your Story