With Prefix Changer you can manipulate your contacts phone numbers of your mobile device easily and securely. You can prepend country and area codes. You can use calling cards or pre dialing codes. Before changes to your phone book are made, you can preview all changes. You can track the changes in the log file. You can backup and restore you contacts within Prefix Changer anytime.
Prefix Changer is an uncomplicated and secure option to call family and friends from abroad with all necessary phone number adaptions which have to be taken into account. Just see yourself and have a look at the Apple iTunes Store. The app is available for iPhone and iPad.