Can I open a USD account from any country?

Several countries are not supported for USD account opening:

Afghanistan, Burundi, Belarus, Central African Republic, Sudan, Cuba, Darfur (not a country), Democratic Republic of the Congo, Iran (Islamic Republic of), Iraq, Ivory Coast, Kazakhstan, Kosovo, Kyrgyzstan, Lebanon, Libya, Mali, Nicaragua, North Korea (Democratic People's Republic of Korea), Puerto Rico, Russia (Russian Federation), Somalia, South Sudan, Syria (Syrian Arab Republic), Tajikistan, Turkmenistan, Ukraine, Uzbekistan, Venezuela (Bolivarian Republic of), Yemen, Zimbabwe