Area Code Lookup
What Area Code Is Mullica Hill?
Area code 856 · New Jersey
Mullica Hill uses area code 856. It is located in New Jersey.
Area Code Serving Mullica Hill
Frequently Asked Questions
What area code is Mullica Hill?
Mullica Hill uses area code 856. It is located in New Jersey.
How do I call Mullica Hill from outside the US?
To call Mullica Hill 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.