An object of the present invention is to provide a cell phone capable of using base station position information and GPS position information more appropriately. This cell phone 10 is provided with a first position acquirer 12 for acquiring first position information of cell phone 10 calculated using a position of at least one base station under which the cell phone 10 is placed, a second position acquirer 13 for acquiring second position information of cell phone 10, using the global positioning system, an accuracy comparator 14 for making a comparison between respective accuracies of the first position information and the second position information, and a position information using part 15 for selectively using the first position information or the second position information in accordance with the result of the comparison; the position information using part 15 first uses the first position information, irrespective of the result of the comparison made by the accuracy comparator 14, and thereafter uses position information with higher accuracy out of the first position information and the second position information in accordance with the result of the comparison made by the accuracy comparator 14.