A method of processing message service requests to a subscriber's communication device in a communication network is provided. The method includes receiving a message service request from a sender at a network element, wherein the message service request includes a message and is directed to the directory number of the communication device; accessing a centralized database that stores message service blocking data for the subscriber; retrieving the message service blocking data for the subscriber; and analyzing the data retrieved from the centralized database and determining whether the message service request should be permitted or denied.