Area Code Lookup
What Area Code Is Herkimer?
Area code 315 · New York
Herkimer uses area code 315. It is located in New York.
Area Code Serving Herkimer
Frequently Asked Questions
What area code is Herkimer?
Herkimer uses area code 315. It is located in New York.
How do I call Herkimer from outside the US?
To call Herkimer from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-315-XXX-XXXX). The +1 is the country code for all NANPA countries.