N.J. Stat. § 48:17-20: Punishment for disclosing contents of communications

Any superintendent, operator, or other person who in any other capacity may be connected with any telegraph or telephone line in this state, who shall use or cause to be used, or make known or cause to be made known, the contents of any dispatch sent from or received at any office in this state, or in anywise unlawfully expose another's business or secrets, shall, for every such offense be subject to a fine of not less than one hundred dollars, or imprisonment not exceeding six months, or both, according to the circumstances of aggravation of the offense.