A system and method for supporting updates of database contact information to mobile communications devices includes a system having a data entry computer for compiling database contact information for a group of mobile communications devices, a service provider computer server in signal communication with the data entry computer for uploading the database contact information into the service provider computer server and for downloading the database contact information substantially simultaneously to the group of mobile communications devices, and a mobile communications device in signal communication with the service provider computer server for receiving the database contact information and for updating its own global logical database; wherein the method for supporting updates of database contact information to mobile communications devices includes the steps of compiling database contact information for a group of mobile communications devices, uploading the database contact information to a service provider computer server, and downloading the database contact information to the group of mobile communications devices.