What is the country code for calling Chile from the US?

The country code for Chile is +56. The plus sign means "insert your international access prefix here"; the prefix from the US, Canada, and other areas in country code +1 is 011.

To call from the USA to Chile, dial
011 = international access prefix from USA
56 = country code for Chile
and then the Chilean number without the leading 0
The country code for Chile is +56. The plus sign means "insert your international access prefix here"; the prefix from the US, Canada, and other areas in country code +1 is 011.

To call from the USA to Chile, dial
011 = international access prefix from USA
56 = country code for Chile
and then the Chilean number without the leading 0