Contact GED Customer Service

GED Testing Service is the official organization that provides the GED® test. Their customer service helps you with all answers related to taking the test, payments, certificates, etc. 

  • The phone number for the GED test customer service is: 877-392-6433  
  • The official website is You can also reach the GED support team by email or chat.  

Most students say that Chat Support is the best way of contacting GED Testing Service. To find chat support on the website, scroll down to the bottom of any page of the website and click on the blue "chat" bubble in the bottom right corner. 

Here at Onsego, we can answer your questions about our online classes and GED prep. We are not involved in GED testing, and we do not issue diplomas.

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