Customer service
Click on your region below for telephone numbers and office hours.
Please be aware if you contact Customer Services less than 48 hours before your test appointment you will be unable to cancel or reschedule your test appointment as highlighted in the reschedule/cancel policy.
If you are sitting a case study exam you will be unable to cancel or reschedule your test appointment once the exam entry has closed. View a timetable of these dates.
Office hours
Monday–Friday, 7:00 a.m.–7:00 p.m. CT; closed on local holidays.
Telephone numbers
- 800-483-3482 (toll-free)
- +1 952-905-7368 (toll)
Email form
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Office hours
Monday-Friday, 1:30 a.m.-6:00 p.m. IST; closed on local holidays.
Telephone numbers
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Office hours
Monday–Friday, 9:00 a.m.–5:00 p.m. UK time; closed on local holidays.
Telephone numbers
Email form
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