O2 Slovakia

O2 Slovakia, s.r.o. 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.^{[citation needed]} 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.

O2 Slovakia, s.r.o.

Company type	Private (subsidiary of O2 Czech Republic)
Industry	Telecommunications
Founded	2006; 19 years ago (2006)[citation needed]
Headquarters	Bratislava , Slovakia
Area served	Slovakia
Services	Telecommunications
Owner	e& (50.01%) PPF (49.99%)
Parent	e& PPF Telecom Group
Divisions	Telecommunication
Website	www.o2.sk

Prefix

Users are identified by prefix 940, 944, 948 and 949 in mobile number. (+421 94x yyy yyy)

Headquarters

O2 Slovakia, s.r.o, Pribinova 40, 811 09 Bratislava, Slovakia