gistfile1.cs

namespace MultipleServicesForTheSameBinding
{
    [ServiceContract]
    interface IAServiceContract
    {
        [OperationContract]
        string Get();
    }

    class AService : IAServiceContract{
        public string Get()
        {
            return "AService";
        }
    }

    [ServiceContract]
    interface IAnotherServiceContract
    {
        [OperationContract]
        string Get();
    }

    class AnotherService : IAnotherServiceContract
    {
        public string Get()
        {
            return "AnotherService";
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            var h1 = new ServiceHost(typeof (AService));
            var h2 = new ServiceHost(typeof(AnotherService));
            h1.AddServiceEndpoint(typeof (IAServiceContract), 
                new BasicHttpBinding(),"http://localhost:8080/base1");
            h2.AddServiceEndpoint(typeof(IAnotherServiceContract), 
                new BasicHttpBinding(), "http://localhost:8080/base2");
            h1.Open();
            h2.Open();
            Console.WriteLine("Both hosts are opened");

            var cf1 = new ChannelFactory<IAServiceContract>(new BasicHttpBinding(), 
                "http://localhost:8080/base1");
            Console.WriteLine(cf1.CreateChannel().Get());

            var cf2 = new ChannelFactory<IAnotherServiceContract>(new BasicHttpBinding(), 
                "http://localhost:8080/base2");
            Console.WriteLine(cf2.CreateChannel().Get());

            Console.ReadKey();
        }
    }
}