A portable radiotelephone terminal includes a body assembly which carries out a radio communication, a rear case assembly, and a front case assembly associated with the rear case assembly for enclosing the body assembly. In the portable radiotelephone terminal, the body assembly and the rear case assembly include common parts which are shared by different models of the portable radiotelephone terminal, and the front case assembly includes model-dependent parts which are individually prepared for the different models of the portable radiotelephone terminal.