Williams v. Public Utilities Commission

The overall cost of providing directory assistance is substantial. The record discloses that 50 percent of telephone customers do not call directory assistance even once in a given month; and that about 20 *258percent of the customers generate over 80 percent of such calls. The cost of such service is directly related to the number of such calls made. Prior to the institution of the charges in question, the volume of directory assistance service calls had been growing at a rate grossly disproportionate to the growth of the number of telephones.

Prior to the institution of the charges in question,…