Business Account Customer Line

With one quick phone call your questions will be answered and your requests will be solved. Our professionally trained specialists are standing by and ready assist you.

Business Line

customer line: 800 203 203 from an O2 mobile: *52 toll-free line: +420 800 33 00 52 from abroad: +420 720 720 720 fax: +420 2 6701 2552 e-mail: firmy@o2.com

Corporate Line

from an O2 mobile: *77 toll-free line: +420 800 33 00 77 from abroad: +420 720 720 720 fax: +420 2 6701 1750 e-mail: korporace@o2.com

Technical Support Line

Call our Technical Support Line at *27 for immediate assistance with your technical questions regarding our services. Our specialists will be happy to help you with data services, ADSL, Office Connector and SMS Manager settings, O2 Prepinam activation, and much more. Lines are open Monday through Friday, 8am to 7pm.

• from an O2 mobile: *27
• toll-free line: +420 800 33 00 27
• from abroad: +420 720 720 720

Call us and our specialists can:

carry out administrative tasks answer invoice questions activate and change services activate new telephones take full advantage of current services get information about new services get help when your phone or SIM card has been lost or stolen use your PUK 1 or PUK 2 code utilize our roaming services learn about SMS and MMS solutions block SMS spam adjust voice mail services divert a call (included with tariff) hold a call (included with tariff) make a conference call (included with tariff) use call waiting (included with tariff)

block calls while roaming block calls in the Czech Republic keep your number from appearing on the display of those you call ensure that your number is not listed in the phone directory sort out discrepancies with the Regular Detailed Billing service change the tariff associated with a telephone number order (or cancel) an O2 Benefit reward preorder goods from a brand store activate an O2 Tandem card change the encashment limit (with an already existing service) purchase mobile telephones and accessories (specifications and prices)

Upon written request our specialists can:

• set up direct debit payments
• activate specific services (O2 Team, O2 Team, Detailed Billing, O2 Mapa Profi, etc.)
• cancel a phone number