To call to Japan use the international country calling code +81 followed by the national phone number you want to call. Japan is located in Asia and uses Yen. It has around 127 131 800 inhabitants, 64 273 000 landlines and 138 363 000 cell phone users.
The country code +81 indicates that the phone number you are about to dial is to Japan in Asia. Before you call to Japan you should be aware of that they speak Japanese. You can see the exact location of this country code on the maps below.
Use the table below to find out from what city in Japan your missed call came from. The city dialing code is a prefix used before the local phone number and is indicating to what city you are about to dial. Keep in mind that cellphone numbers often don't have city prefix codes and therefore is not traceable to a city.