You can track your refund on the North Carolina Department of Revenue (NCDOR) Refund Process page.
Statement from North Carolina Department of Revenue: In order to view your refund status info, you'll be prompted to enter the first social security number listed on your tax return along with the exact amount of your refund. You can also call our toll-free refund inquiry line at 1-877-252-4052, 24 hours a day, 7 days a week. Refund checks are written weekly. If you contact our refund inquiry line and you're advised that your check hasn't been written, please wait 7 days before calling the refund inquiry line again.