Area Code Lookup
What Area Code Is New Lenox?
Area code 815 · Illinois
New Lenox uses area code 815. It is located in Illinois.
Area Code Serving New Lenox
Frequently Asked Questions
What area code is New Lenox?
New Lenox uses area code 815. It is located in Illinois.
How do I call New Lenox from outside the US?
To call New Lenox 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.