Area Code Lookup
What Area Code Is Alta?
Area code 712 · Iowa
Alta uses area code 712. It is located in Iowa.
Area Code Serving Alta
Frequently Asked Questions
What area code is Alta?
Alta uses area code 712. It is located in Iowa.
How do I call Alta from outside the US?
To call Alta from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-712-XXX-XXXX). The +1 is the country code for all NANPA countries.