Systems and methods are disclosed for storing and sharing telephone call data using online systems. One method includes receiving, over an electronic network, call data relating to a telephone call from a telephone device of a consumer to a business, the call data including a telephone number of the telephone device of the consumer; accessing a database storing correlated call data and user data; retrieving correlated call data and user data based on the telephone number of the call data; determining a confidence score that defines a confidence that the received call data relates to the retrieved correlated call data and user data; correlating the received call data with retrieved call data and user data when the confidence score is greater than a threshold value; and determining a targeted advertisement based on the correlated call data and user data.