To call to Thailand use the international country calling code +66 followed by the national phone number you want to call. Thailand is located in Asia and uses Baht. It has around 67 725 979 inhabitants, 6 391 000 landlines and 84 075 000 cell phone users.
The country code +66 indicates that the phone number you are about to dial is to Thailand in Asia. Before you call to Thailand you should be aware of that they speak Thai (official) 90.7%, Burmese 1.3%, other 8%. 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 Thailand 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.