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