Citizens of Columbia County are reporting that a "Margie Williams" claiming to be a representative of AT&T is calling them about upgrading their cellular phone to an iPhone 5S 32 GB. Margie states that you can get the iPhone 5S for $50.00 plus $4.95 overnight shipping. Margie calls from 832-887-8447. She will ask for payment via your credit or debit card number. Please be very careful about the people you give your personal information, including your credit and debit card numbers, social security numbers, and any other personal details, over the phone.