Where to buy a SIM

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Buy SIM card online

You can order a SIM card from the comfort of home.

Buy online

Sales points

      OpenCall is a virtual operator that focuses on cheap international calls. With our prepaid card you don't have to sign any contracts and have full control of your expenditure.

      Stay connected to your family, wherever you are.

      Contact

      Telephone:
       +420 778 820 820,
      *88 for OpenCall customers

      Check your credit balance:
      *110*#

      Email:
       support@opencall.cz

      Address for written correspondence:
      O2 Czech Republic, a.s. – OpenCall
      Za Brumlovkou 2/266
      Praha 4, 140 22