N.C. Gen. Stat. § 143B-1412
All proprietary information submitted to the 911 Board or the State Auditor is confidential. Proprietary information submitted pursuant to this Part is not subject to disclosure under Chapter 132 of the General Statutes, and it may not be released to any person other than to the submitting communications service provider, the 911 Board, and the State Auditor without the express permission of the submitting communications service provider. Proprietary information is considered a trade secret under the Trade Secrets Protection Act, Article 24 of Chapter 66 of the General Statutes. General information collected by the 911 Board or the State Auditor may be released or published only in aggregate amounts that do not identify or allow identification of numbers of subscribers or revenues attributable to an individual communications service provider.
N.C. Gen. Stat. § 143B-1412