Area Code Lookup
What Area Code Is Calumet City?
Area code 708 · Illinois
Calumet City uses area code 708. It is located in Illinois.
Area Code Serving Calumet City
Frequently Asked Questions
What area code is Calumet City?
Calumet City uses area code 708. It is located in Illinois.
How do I call Calumet City from outside the US?
To call Calumet City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-708-XXX-XXXX). The +1 is the country code for all NANPA countries.