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