Area Code Lookup
What Area Code Is Marseilles?
Area code 815 · Illinois
Marseilles uses area code 815. It is located in Illinois.
Area Code Serving Marseilles
Frequently Asked Questions
What area code is Marseilles?
Marseilles uses area code 815. It is located in Illinois.
How do I call Marseilles from outside the US?
To call Marseilles from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-815-XXX-XXXX). The +1 is the country code for all NANPA countries.