The process for making a call from Bulgaria to Trinidad and Tobago is relatively simple. However, there are a few things that you need to know in order to make the call correctly. The first step is to find out the country code for Trinidad and Tobago. This code is 868. Next, you need to find out the area code for the city you are calling. The area code for Trinidad is 1, and the area code for Tobago is 2. Once you have these two pieces of information, you can dial the number correctly. To call Trinidad, you would dial 011-868-1-xxx-xxxx. To call Tobago, you would dial 011-868-2-xxx-xxxx.