Area Code Lookup
What Area Code Is Millville?
Area code 856 · New Jersey
Millville uses area code 856. It is located in New Jersey.
Area Code Serving Millville
Frequently Asked Questions
What area code is Millville?
Millville uses area code 856. It is located in New Jersey.
How do I call Millville from outside the US?
To call Millville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-856-XXX-XXXX). The +1 is the country code for all NANPA countries.