Area Code Lookup
What Area Code Is Sea Isle City?
Area code 640 · New Jersey
Sea Isle City uses area code 640. It is located in New Jersey.
Area Code Serving Sea Isle City
Frequently Asked Questions
What area code is Sea Isle City?
Sea Isle City uses area code 640. It is located in New Jersey.
How do I call Sea Isle City from outside the US?
To call Sea Isle City from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-640-XXX-XXXX). The +1 is the country code for all NANPA countries.