Preferred embodiments of the present invention provide for enabling a user to select telephone numbers to which a wireless device may place calls and from which the wireless device may receive calls. One preferred embodiment of the present invention includes software for use on a general purpose computer allowing the user to input into the memory of a wireless device desired telephone numbers that may not be changed by the operator of the wireless device. The computer software also programs the wireless device to only place calls to, or receives calls from, the telephone numbers entered into the memory of the wireless device by the owner.