High Quality Content by WIKIPEDIA articles! WPTZ is the NBC-affiliated television station in Plattsburgh, New York. It broadcasts a high definition digital signal on UHF channel 14 (virtual channel 5.1 via PSIP) from a transmitter on Mount Mansfield in western Lamoille County, Vermont. Owned by Hearst Television, WPTZ maintains studios on Television Drive (adjacent to U.S. 9) in Plattsburgh.