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Support Center

Tandem has an extensive library of educational and self-help materials to help you get the most out of your Tandem insulin pump.

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Dexcom Support

Learn which continuous glucose monitoring (CGM) issues are specific to Dexcom or Tandem Diabetes Care, and which company to contact.

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Get in Touch

Tandem Diabetes Care offers a variety of ways to get the help you need with your insulin pump, on your schedule, including 24/7 technical support.

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Send a Message

If you are already using Tandem products and need assistance, please call our Technical Support Team at (877) 801-6901. For other inquiries, please complete our form below.


Who to Contact for CGM Support

/ ! \ Incompatible Sensor?  The t:slim X2 insulin pump is only compatible with specific versions of the Dexcom G7 sensor. Review a breakdown of what sensors are currently compatible with your pump.

Customer Support

We put as much effort into standing behind our products as we do into designing them. Based in the United States, our No. 1-rated customer support team is staffed by highly trained, enthusiastic representatives.1

Corporate Headquarters

12400 High Bluff Drive

San Diego, CA 92130


Technical Support

24 hours a day

365 days a year


Order Support – Supplies

5 am to 5 pm (Pacific)

Monday - Friday


Order Support – Pump

6 am to 5 pm (local time)

Monday - Friday


Pump Renewals

6 am to 5 pm (Pacific)

Monday - Friday