Loop is a Mobile Virtual Network Operator in Bulgaria. It is owned my M-Tel, the largest GSM mobile phone operator in the country. It is specially designed for young people between 14 and 29 years old. It offers various of tariff plans for every kind of users.
Loop began operating in 2006. It was presented as low - cost mobile tariff plans which allows all the users of the Loop network to communicate on very low prices. At first Loop mobile plans were with no monthly fees, only with minimal obligated usage. Loop phone numbers begin with the digits 088-3.