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|Private (subsidiary of O2 Czech Republic)|
|Parent||O2 Czech Republic|
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 (3 month activity) to date 1 September 2015. The company is subsidiary of O2 Czech Republic, itself owned by PPF.
Users are identified by prefix 940, 944, 948 and 949 in mobile number. (+421 94x yyy yyy)
- Commercial register at orsr.sk, ID 35848863, O2 Slovakia, s.r.o., accessed 2015-09-29