Area Code Lookup
What Area Code Is Herrin?
Area code 730 · Illinois
Herrin uses area code 730. It is located in Illinois.
Area Code Serving Herrin
Frequently Asked Questions
What area code is Herrin?
Herrin uses area code 730. It is located in Illinois.
How do I call Herrin from outside the US?
To call Herrin from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-730-XXX-XXXX). The +1 is the country code for all NANPA countries.