Area Code Lookup
What Area Code Is Rock Valley?
Area code 712 · Iowa
Rock Valley uses area code 712. It is located in Iowa.
Area Code Serving Rock Valley
Frequently Asked Questions
What area code is Rock Valley?
Rock Valley uses area code 712. It is located in Iowa.
How do I call Rock Valley from outside the US?
To call Rock Valley 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.