Information centre:
-green line: +420-800 33 00 11 free of charge within the Czech Republic.
Consumer department:
-green line: +420-800 1 80011 free of charge within the Czech Republic
-fax: +420-267016733
-from mobile/cellular phone: \11.
Go line:
-automatic information system, Go card charging on the phone number: +420-267011188 or from mobile/cellular phone: \88 free of charge within the Czech Republic.