I would like to tell you what premium rate phone numbers are and how they are used. I guess everyone used these numbers at least once. These are text messages not included in the subscription and are not covered by the package of free SMS. This is a micropayment service provided by the Mobile Network Operators, which consists of sending text messages to special numbers called Premium Rate phone numbers. How does it work in practice? The client sends an SMS to a special 4 - or 5-digit premium number that can be dedicated or shared. Premium rates phone numbers apply twenty four hours a day, seven days a week. Fee for sending a single text message is the same for all users of mobile phones and does not depend on your plan or your operator. Premium rate phone numbers used for short messages are the most commonly used to contests, e.g. SMS voting, purchase a product, get a service or information on promotion, SMS premium payments, to create customer bases, which are later used to carry out promotions and competitions targeted to a specific target group or to develop customer loyalty programs among the brand of a given product or service. They can also be used for multimedia components for mobile phones (polyphonic ringtones, logos, wallpapers, videos, animations, Java applications, screen savers) or esoteric and erotic services (SMS chat).