[ServiceContract] public interface IStockService { [OperationContract] double GetPrice(string ticker); } public class StockService : IStockService { public double GetPrice(string ticker) { return 94.85; } } class Program { static void Main(string[] args) { ServiceHost serviceHost = new ServiceHost(typeof(StockService)); serviceHost.Open(); Console.WriteLine("Service running."); Console.WriteLine("Press ENTER to terminate."); Console.ReadLine(); serviceHost.Close(); } }UT won't let me post the App.Config, but the base address is "baseAddress="http://localhost:8000/EssentialWCF"