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Technical Support

DexCom Technical Support is available to assist you in these areas:

  • Product use
  • Troubleshooting
Hours: 24 hours, 7 days a week
Toll Free Phone: 1-877-DEXCOM4 (339-2664)
Toll Free Fax: 1-877-6DEXCOM (633-9266)
Email: TechSupport@dexcom.com