A method for entering an Internet site address including a plurality of Internet sub-addresses for wirelessly accessing an Internet website using a keypad of a mobile communication terminal is disclosed. According to the method, at least one Internet sub-address is assigned to at least one key of a plurality of keys arranged on the keypad in accordance with a predetermined sequence and the assigned Internet sub-address associated with the corresponding key is stored into a memory unit. If a key on the keypad is selected by a user of the mobile communication terminal, it is determined the number or time duration the key is depressed, the stored Internet sub-address corresponding to the number or time of depressing the key is retrieved from the memory unit, and transferred to a display unit for displaying the Internet site address.