TOP UP Online

If you are using a SIM card bought before 1. 7. 2016 switch to new OpenCall powered by O2 SIM card. You can get it at our online eshop, at the closest newsagent or at any O2 shop. We will transfer your number and credit.

Top up your credit easily online.

(Legal conditions here)

  • Looking for an easy, fast and secure way to TOP UP your OpenCall SIM card? Fill in your OpenCall phone number, select the amount you would like to TOP UP and make your payment. Your SIM card will be re-charged immediately after you finished the payment process.
  • PayU payment gateway operates under a licence for providing payment services granted by the Czech National Bank and is thus subject to its control.



Your OpenCall Info

OpenCall Number * Amount of TOP UP *

Your Data PayU Info

First name * Last name *
E-mail *  

Method of Payment