You had to pay a monthly fee for that privilege and talk to a customer service person to set it up. Often, your info still got sold to telemarketers. In compar

You had to pay a monthly fee for that privilege and talk to a customer service person to set it up. Often, your info still got sold to telemarketers. In comparison, changing your SSID is free and something you can do yourself. [1] https://www.nbcnews.com/business/consumer/unlisted-number-fee-privacy-penalty-flna6c10406808 https://www.nbcnews.com/business/consumer/unlisted-number-fe...