Mtel may refer to:
Mtel ("Мобилтел" or "Мтел" in Bulgarian /network code 284-01/), also known as "Mobiltel", is the first and largest GSM mobile phone operator in Bulgaria. It has more than 4.2 million customers. Company was founded in March 1994 but was not launched commercially until September 1995 (as Citron).
In 2001 M-Tel launched its pre payment sim cards which allow customers to purchase credits prior to calling friends, this was a great success and saw the amount of customers using their network increase dramatically.
The company had a market share of about 58% and 3,000,000 clients in September 2004. On 14 September 2006 M-Tel reached 4,000,000 clients. As of May 2006 the company has 4,400,000 subscribers and its market share fell to 51,1%. Its contract customers increased to 1,7 mln, while the profit per customer dropped to 9,9 euro for Q1 2007.
The operator has been owned by Telekom Austria Group since July 2005, when it was acquired for up to €1.6 billion in one of Central and Eastern Europe's largest deals and one of the largest foreign investments in Austria. Mobiltel was the first Bulgarian operator to offer EDGE, UMTS, HSDPA, HSPA+ and LTE (for testing) services to its clients, with video telephony services being available since 6 March 2006 in the capital Sofia and since mid-July 2006 throughout the Bulgarian Black Sea resorts.
MTEL or m:tel may refer to: