Every visit is essentially free publicity on a global scale for Mar-a-Lago and Trump's business interests. Trump, who bought Mar-a-Lago in the 1980s, announced before he took office that his son, Donald Trump, Jr., would become director of the resort.
1 To block Caller ID number and/or name from being displayed on someone else's caller identification device dial *67 before dialing the actual phone number; 2  This option only applies to every single phone call; therefore, you should dial *67 for every call you want your ID blocked.
Method #1: Use a Prefix to Block Caller ID. In most of the countries, you can just enter a code at the start of the number which you like to call, and your number will not be displayed on recipientâs phone. The code will vary from carrier to carrier and Country to Country.