She had an aide send a text message Friday announcing the governor has signed the ban into law.
Using abbreviations common to the text-messaging world, Perdue spokeswoman Chrissy Pearson tapped out a message announcing the signing: "This msg 2 u was composed while I was behind my desk, not behind the wheel. Hope u r not driving now."
State lawmakers passed the legislation last week and the law takes effect Dec. 1.
A national highway safety group says North Carolina becomes the 14th state in recent years to bar texting while driving in hopes of curbing driver distraction and accidents.