In this article, we are going to see how to consume a WCF Service on a Windows phone 7 Application. In our earlier articles, we have seen the different steps to create a sample Hello World Application using Visual Studio IDE. Here in this article, we will first create a WCF Service and use the service in Windows Phone 7 Application to do some manipulations. The steps across this approach will remain the same which can be used in different other applications as per the requirement. Let us now start to see the process on how to achieve these tasks.