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