The best way to mess with these people is tell them you'll donate so have them send you a bill then send it back with no money and write on the bill to take you off their list. They get no money and it cost them postage.
If you have any complaints about anyone calling you from this number about making a donation to Police Protective Fund or any other charity, please contact Deputy Attorney General Tania Ibanez (213) 897-2179 or [email protected].