This website is scheduled to undergo routine maintenance on Saturday, 22 July 5:00 p.m.-11:00 p.m. CDT. During this time, you may not be able to schedule, reschedule or cancel test appointments. We apologize for this inconvenience and thank you for your patience.
Chat is the quickest way to reach a customer service agent.
Click on the Chat icon to get started.
If chat is “offline,” click on your region below for telephone numbers and office hours.
Telephone and email addresses broken down by region
Last updated 2017-03-07