Cellular phone service system and method using service code and media for storing program source thereof

The present invention relates to a mobile data communication system, a mobile data communication method with service code scheme and and a storage medium storing program source of the method. The mobile data communication system has a database consisting of service codes and Web sites which provide information service, so that a user of the mobile data communication system is able to use the information service by transmitting a service code and search key words to the Web site instead of connecting Internet and selecting directories of the Web sites. Therefore, the user of the mobile data communication terminal can save calling time and information service charge. According to the mobile data communication system of the present invention, a user sends a service code and search key words through a mobile communication terminal to get desired information, a Web site corresponding to the service code is retrieved, the search key words are transmitted to the Web site and desired information searched through the Web site is transmitted to the mobile communication terminal.