Systems and methods for managing a mobile communication device group. A communication device sends a message from a member of a sender group and a network transmits the message to the recipient group if the identity of the sender group exists in a communication permission parameter associated with the recipient group. Systems and methods for transmitting a message to a group of communication device users in an identified geographical area. A graphical display presents a geographical representation of an area. A selection tool for identifying one or more communication device users located within a defined area. The network transmits a message from a sender to the users located within the defined area.