How do i return or exchange an item with mission? To return or exchange an item, please call Mission Customer Service at 1-866-944-6477. Shipping charges may apply. We are available Monday through Friday, 9am - 9pm Eastern Standard Time, and Saturday 10am - 4pm Eastern Standard Time.How do i contact mymission for technical support? Technical support is available by email at [email protected] or by calling 956-323-1910. This contact informtion is for technical issues relating to your MyMission Health Portal account only. Please call your physician directly with questions for a medical professional or, if this is a medical emergency, please call 911.What is mission regional? Mission Regional. is your hospital! Mission Regional is a 297-bed facility that offers inpatient and outpatient. acute medical care to all members of the community.Why was i charged for my mission order? All MISSION.com orders are charged when your order is placed so that your product can ship without delay once it is processed. How long will it take for a refund to reflect on my payment method?