E-servicesGive feedback Give feedback With this form you can give feedback to Mustankorkea. Please note, that there is separate form for e.g. updating customer details or ordering services. Give feedback Name(Required) First name Last name Customer number (optional) The customer number helps us to react faster to your feedback. You can find your customer number on your invoice.Email Email address Confirm email address Telephone numberYour feedback(Required)Would you like to order our newsletter? You can include me to your mailing list Confirmation