Customer service
When you call to make an appointment for your test, please tell the agent that you wish to schedule a “PTI” test and specify which test.
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Office hours
Monday–Friday, 7:00 a.m.–7:00 p.m. CT; closed on local holidays.
Telephone numbers
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Office hours
24/7 for each country (except where listed below); closed on local holidays.
Telephone numbers
Toll-free customer service numbers are available in the following countries. If your country is not listed, please use the toll number at the bottom of this section.
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Office hours
9:00–18:00 CET (8:00–17:00 GMT) Monday–Friday; closed on local holidays.
Telephone numbers
Email form
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