However, Mexicans and Hispanics in general DO refer to the US as Estados Unidos de Amrica  but due to the fact that Amrica  means the whole Western Hemisphere, they usually say Estados Unidos de Norteamrica  or United States of North America  which is not its official title but it is how Latin Americans ...

Do people from Spain call the USA "Amrica" or "Estados Unidos"? In Spain, people commonly refer to the USA as "Estados Unidos," which translates to "United States" in English. The term "Amrica" is often used to refer to the continent as a whole rather than specifically to the United States.