In the US a few places I order from when you call they associate your phone number with an "account" on their POS system, which comes up automatically when you

In the US a few places I order from when you call they associate your phone number with an "account" on their POS system, which comes up automatically when you call. It gets created automatically the first time you call/order. It stores your name, address (if you get delivery), order history, and credit card number (if you pay by card).