Q – Card Mobile Telephony In Greece, offers prepaid mobile telephony. You can renew your call credit any time you wish by purchasing a credit recharge card of any value it suits you. Choose from a great variety of â‚¬3, â‚¬6, â‚¬10 or if you talk a lot try â‚¬20 voucher card. You will find them in every kiosk near you, all over Greece. Q â€“ Card mobile telephony ensures nationwide coverage via the mobile network of Wind Hellas. Our aim is to support our customers and always be there by their side. The customer care department of Q card provides constant support 24 hours a day, every day of the year.