0
Area codes in Mexico do not begin with zero.
No such area code in the U.S.
U.S. area codes never begin with 0.
The country code and area code of Mahakali, Nepal is 977, (0)99.
The country code and area code of Imperatriz- MA, Brazil is 55, (0)99.
The country code and area code of GuantÌÁnamo Bay, Cuba is 53, (0)99.