ASP.NET ERROR : System.ServiceModel.EndpointNotFoundException: 'There was no endpoint listening at http://localhost:8080/CalculatorService that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.'

For more Details for this Exception, First see the InnerException Details of this Exception, it may be changed for your case. Generally, this Exception occurs because of "The remote server returned an error: (404) Not Found".

There's no endpoint listening: Service is not Running at described Address (in my case, it is http://localhost:8080/ .Be sure Service is up and you can visit the SOAP Document with the URL.

If it is not in Localhost It might be possible that the server is down, you can check if the service is running by visiting the service address with a browser.