Abstract: This invention relates generally to computers, and more specifically, to systems and methods for providing a mobile phone number exchange system. In one embodiment, the invention includes operations of receiving a contact name from a requesting entity; identifying the contact name in a data source; obtaining permission to disclose contact information associated with the contact name with the requesting entity; and upon receiving permission, disclosing the contact information associated with the contact name with the requesting entity, wherein the method is performed by computer executable instructions embodied in computer readable media.