N.C. Gen. Stat. § 14-372: Unauthorized opening, reading or publishing of sealed letters and telegrams.

If any person shall willfully, and without authority, open or read, or cause to be opened or read, a sealed letter or telegram, or shall publish the whole or any portion of such letter or telegram, knowing it to have been opened or read without authority, he shall be guilty of a Class 2 misdemeanor. (1889, c. 41, s. 2; Rev., s. 3728; C.S., s. 4499; 1993, c. 539, s. 250; 1994, Ex. Sess., c. 24, s. 14(c).)