Provides that any person in the business of compiling, marketing, selling, maintaining, or otherwise sharing the phone number of any subscriber for commercial purposes, shall not include the phone number of any subscriber for inclusion in any directory of any form, nor shall it sell the contents of any directory database, without first obtaining the express, opt-in consent of that subscriber.

Defines "subscriber" to mean a person who subscribes to radio communications services, radio paging, or cellular communications service.

Provides that any person in the business of compiling, marketing, selling, maintaining, or otherwise sharing the phone number of any subscriber for commercial purposes, who has maintained a directory before the effective date of this act, must within thirty days either secure the express, opt-in consent of each subscriber listed in the directory or remove the phone numbers of any subscribers who have not provided their express, opt-in consent.