Before You Give a Store Your Phone Number, Know What Happens to It

Giving a retailer your phone number could connect your identity to purchase histories, loyalty programs, and marketing profiles. Before sharing it, understand how the store uses and protects customer information. Andrey Burstein/Shutterstock

You’re standing at the checkout counter, ready to pay, when the cashier asks a familiar question: “Can I get your phone number?” It sounds harmless, especially when the store promises discounts, rewards, or an easier way to track purchases. But that simple exchange could give a retailer another piece of information to connect your shopping habits, personal identity, and advertising preferences. Retailers collecting phone numbers isn’t necessarily suspicious, but consumers should understand what happens to that information after leaving the register. Before handing over those ten digits, it’s worth knowing how much your phone number could reveal and whether the promised savings justify sharing it.

Your Phone Number Can Become a Customer Identifier