Area Code Lookup
What Area Code Is Coal City?
Area code 779 · Illinois
Coal City uses area code 779. It is located in Illinois.
Area Code Serving Coal City
Frequently Asked Questions
What area code is Coal City?
Coal City uses area code 779. It is located in Illinois.
How do I call Coal City from outside the US?
To call Coal City 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.