The phone number of Opera Mail Customer Service is 47-2369-2400. The service phone number is not for any support for Opera Mail products. The phone number is only for inquiry regarding sales about the Opera Mail. The operation hours of the Opera Mail customer service is 9:00 am - 5:00 pm open on all days (Oslo, Norway time: GMT +1). Different versions of the Opera mail is available online if you are looking to download the application go to the Opera Mail website and download it for free.