How to Get a Copy of Your North Carolina Return If you need a copy of your North Carolina income tax return, you should mail a written request to: NC Department of Revenue Customer Service P.O. Box 1168 Raleigh, N.C. 27602 fax: 919-733-5750 Be sure to include your name as it appeared on the return, your current mailing address, social security number and the tax year of the return that you need. Please allow 20 days to receive the copy of your return. You cannot request a copy by telephone. The Revenue Department must have a written request signed by you. There is no charge for copies of your return.