Abstract: A system and method for creating a geographically-defined social network. In the preferred embodiment, residents living in a defined geographical area, such as a particular neighborhood, are connected to one another via a social network. Membership in the social network is determined based on geographical location. Also in the preferred embodiment, residents in the defined geographical area can communicate with each other, but not with residents in other defined geographical areas. Communication can be by messaging, email, phone, or other communications methods. In another embodiment, businesses can communicate with residents within a geographical region.