A communication service system for providing a content to a user device by using a code having code value, comprising:
- a user device configured to capture the code value;
- a communication entity platform configured to receive a code value from outside to provide the content information corresponding to the code, and record an interested party-related log that provides the user device the content;
- an operating agent platform configured to receive the code value from the user device and distribute the code value to the communication entity platform;
- an on-line interested party module configured to register resource corresponding to the content in the communication entity platform and provide the content to the user device;
- and
- an off-line interested party module configured to receive the code value, which is issued by the operating agent platform, and insert the code value after being issued into an off-line medium in order to let a user select information to be associated with the code value.