There are too many too list here, and most states have more than one area code, but many websites provide this information. See link.
The country code and area code of Kirkuk, Iraq is 964, 50.
The country code and area code of Balkh, Afghanistan is 93, (0)50.
The country code and area code of Brugge, Belgium is 32, (0)50.
The country code and area code of Mansoura, Egypt is 20, (0)50.
The country code and area code of Naivasha, Kenya is 254, (0)50.
The country code and area code of Groningen, Netherlands is 31, (0)50.
The country code and area code of Ikare, Nigeria is 234, (0)50.
The country code and area code of Centre provinces, Burkina Faso is 226, 50.
The country code and area code of Mrkonjic-Grad, Bosnia and Herzegovina is 387, (0)50.
Alaska.
Brazil is a Country which is bigger than the United States in land mass. So when you ask what is the area code in Brazil, is the same as asking; what is the area code in the United States You need to frase your question better. The "country" code for Brazil is 55, as to the area code, it depends on where you are planning to call.
The telephone country code for Zimbabwe is +263. The area code for Shangani is 050, or +263 50 in international format.