Contact us. Please be sure to bookmark this site: https://covid-vaccine-provider-portal.ncdhhs.gov. Need support? Submit your question to the help desk here : Submit Ticket. You may also call the COVID-19 Vaccine Provider Help Desk at (877)-873-6247, Monday through Friday from 7 a.m. until 7 p.m., and on Saturday and Sunday from 8 a.m. until 4 p.m..