What is dexcoms phone number? Dexcom, Inc. DexCom. 6340 Sequence Dr. San Diego, CA, 92121-4356 United States. (858) 200-0200. www.dexcom.com External Website. Opens New Window. Company Type: Corporation Parent.Where are dexdexcom products made? DexCom, Inc. is a company that develops, manufactures, and distributes continuous glucose monitoring (CGM) systems for diabetes management. It operates internationally with headquarters in San Diego, California, and has a manufacturing facility in Mesa, Arizona .Where can i find more information about dexko? To learn more about DexKo global operations or to learn more about an inpidual location, please see the information and interactive map below. 135 Sunshine Ln. 1259, 1041 Baxter Ln.What is the dexcom care team? This curated team of clinical account trainers and CDEs are here to support your clinic and help patients get started with their Dexcom CGM Systems. Dexcom CARE representatives are accessible via phone or video consultations, helping you maximize the features and benefits of Dexcom CGM in an interactive way.