Contact Us

Dexcom is here to provide you with ongoing support and answer any questions you may have about your Dexcom CGM System. Locate the right support department below based on your immediate needs.

Customer Sales Support

Support with Dexcom orders and general customer questions

1-888-738-3646

Monday - Friday 6 AM - 5 PM PST

Saturday 8 AM - 4 PM PST

Place Your First Order

Global Technical Support

Product troubleshooting or replacement inquiries

1-844-607-8398

Available 24 hours a day;

7 days a week

Request a call back from a representative

Submit a Patient Support Request

Request Sensor Overpatches

Chat Live with Dexcom Tech Support
(At this time, live chat is only available to US customers, Monday-Sunday from 5AM-5PM PST.)

Dexcom CARE

Dexcom CGM training, software downloads, and tutorials

1-877-339-2664

Monday - Friday 6 AM - 5 PM PST

Saturday 7 AM - 1:30 PM PST

(All hours subject to change)

What is CGM?

CGM vs. BGM

MM: Benefits of CGM

Benefits of CGM

Customer Stories

Become a Dexcom Warrior

Advocacy Organizations

Contact Us

Contact Us

Customer Sales Support

Global Technical Support

Dexcom CARE