Area Code Lookup
What Area Code Is Rock Island?
Area code 309 · Illinois
Rock Island uses area code 309. It is located in Illinois.
Area Code Serving Rock Island
Frequently Asked Questions
What area code is Rock Island?
Rock Island uses area code 309. It is located in Illinois.
How do I call Rock Island from outside the US?
To call Rock Island from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-309-XXX-XXXX). The +1 is the country code for all NANPA countries.