The first thing you need to do is to find out the country code for Kiribati. The code for Kiribati is +686.
Next, you need to find out the area code for the city you are calling. The area code for Kiribati is also +686.
Finally, you need to dial 00 followed by the country code and the area code. So, to call Kiribati from Albania, you would dial 00+686+area code.