A method to generate real estate leads includes publishing a plurality of marketing items for a real estate listing with a telephone number and a unique code printed thereon. The unique code is configured to be transmitted by a mobile communication device and the unique code printed on each piece of the plurality of marketing items is different. The method also includes sending the plurality of marketing items to a plurality of street addresses, where the unique code is assigned to a particular street address of the plurality of street addresses. In addition, the method includes receiving a communication from the mobile communication device at the remote device associated with the telephone number, where the communication includes the unique code, and in response to receiving the unique code, determining the particular street address assigned to the unique code and creating a file that stores data of the communication.