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Verify the operator (online application)
Use this simple form to find out the network of the phone number you wish to call.
With this application you can immediately find out the operator of any Czech phone number you wish to call.
Just follow these steps:
- Enter the phone number
- Select the date; the application will tell you to which network this phone number belonged on that day (up to two months in the past)
- Copy the code you see in the grey field below into the text box
- Information will appear on this page informing you whether or not the number has been transferred to another network.
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