Area Code Lookup
What Area Code Is Old Hickory?
Area code 615 · Tennessee
Old Hickory uses area code 615. It is located in Tennessee.
Area Code Serving Old Hickory
Frequently Asked Questions
What area code is Old Hickory?
Old Hickory uses area code 615. It is located in Tennessee.
How do I call Old Hickory from outside the US?
To call Old Hickory from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-615-XXX-XXXX). The +1 is the country code for all NANPA countries.