a method of processing a transaction for provision of funds to a mobile telephone prepayment account associated with a mobile telephone is disclosed . the method includes : an automated teller machine receiving , from a card associated with a user of the mobile telephone , information identifying a financial account associated with the user of the mobile device ; the atm receiving , from a user , an identifier associated with the mobile telephone ; the atm receiving , from the user , information indicating an amount of funds to be provided to the mobile telephone prepayment account ; and the atm sending , to a financial institution associated with the financial account , an instruction to transfer the indicated amount of funds from the financial account to the wireless service provider , so as to provide the indicated amount of funds to the mobile telephone prepayment account .