O2 Slovakia
O2 Slovakia is a provider of mobile service in Slovakia. O2 started as Telefónica in Slovakia with commercial services on 2 February 2007 with about 600.000 preregistered users, and ~400,000 Slovaks actively using the O2 service. The operator has 1 700 000 active SIM cards to date 1 September 2015. The company is subsidiary of O2 Czech Republic, itself owned by PPF.Prefix
Users are identified by prefix 940, 944, 948 and 949 in mobile number.Headquarters
O2 Slovakia, s.r.o, Einsteinova 24, SK- 851 01 Bratislava, Bratislava, Slovakia
