N.C. Gen. Stat. § 40A-22: Service.

A summons as in other cases of special proceedings, together with a copy of the petition, must be served on all persons whose estates or interests are to be affected by the proceedings, at least 10 days prior to the hearing of the same by the court. (1871-2, c. 138, s. 14; Code, s. 1944; Rev., s. 2581; C.S., s. 1717; 1981, c. 919, s. 1.)