An access platform of a service provider storing at least one group identifier and a list of subscriber numbers of subscriber devices associated with the at least one group ID. The access platform receives a group ID and a message from a customer application running on a customer device. The access platform then compares the received group ID to the at least one group ID stored, and in response to the received group ID matching the at least one stored group ID utilizes the list of subscriber numbers associated with the received group ID to deliver the received message to the subscriber devices.