Country code with Skype Out!
I am not exactly sure which version of Skype introduced this feature, but since a recent Skype update, my address book contacts appeared as Skype Out contacts in Skype. Not all contacts in my address book have a country code in the phone number and that is problem with Skype. There is a feature in Skype that solves this issue. In the Skype preferences, in the "Calls" tab, you can set a default country code: