Area Code Lookup
What Area Code Is Monroe Center?
Area code 779 · Illinois
Monroe Center uses area code 779. It is located in Illinois.
Area Code Serving Monroe Center
Frequently Asked Questions
What area code is Monroe Center?
Monroe Center uses area code 779. It is located in Illinois.
How do I call Monroe Center from outside the US?
To call Monroe Center from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-779-XXX-XXXX). The +1 is the country code for all NANPA countries.