A public service message broadcast system and method for managing the submission and transmission of a broadcast agent message to at least one geographically distinct geo-fenced peer public service message broadcast system includes creating a broadcast message record by a broadcast message originator defining the broadcast message and the broadcast target area and authenticating the broadcast message authority of the broadcast message originator. The method also includes transmitting the broadcast message record to a peer public service message broadcast system and validating the received broadcast message record for transmission to an associated broadcast message network.