Dear customers, please excuse the planned outage of our systems from 19.03.2024 23:00 to 20.03.2024 00:00. During this time it will not be possible to change service settings including making card payments. Thank you for your understanding.

                    Infoline: +420 778 820 820 / *88 for customers            MY OPENCALL

How to top up your credit

Home / How to top up your credit

We are giving away data for free for each top-up until 31. 03. 2024!

How do I get it?

Top up at least 300 CZK of credit and get 1 GB extra for active data packages!
Take advantage of this special offer as many times as you want.
You automatically get 1 GB of data extra free every time you top up at least 300 CZK.

Sazka terminals

  • Top up credit at more than 4,900 locations in the Czech Republic. Every vendor who offers Sazka top-up displays the Sazka logo on their door.
  • To top up OpenCall SIM cards, simply enter the telephone number and select O2 (provider of top-up service) in the list of operators.
  • ATM

    OpenCall SIM cards can be topped up at ATMs of the following banks:

    Select O2 in the list of operators.

    Top-up cards

  • When topping up OpenCall SIM cards, use O2 top-up cards. Top-up cards can be bought at your nearest newsagent. Find your nearest one in the list of sales points.
  • Type *102*(14-digit code on top-up card)# into the display or top up using the online service.
  • Your credit will then be added to the current balance on your OpenCall telephone number.
  • Online banking

    Credit can be topped up on the online banking services of the following banks:

    Select O2 in the list of operators in the app.

    Other top-up locations

    OpenCall SIM cards can be topped up at the following shops and petrol station networks:
  • Česká pošta, Tesco, Žabka, ESO market, PEPCO
  • Shell, OMV, Benzina, MOL, EuroOil
  • Select O2 (provider of top-up service) in the list of operators.