Area Code Lookup
What Area Code Is Monmouth Junction?
Area code 732 · New Jersey
Monmouth Junction uses area code 732. It is located in New Jersey.
Area Code Serving Monmouth Junction
Frequently Asked Questions
What area code is Monmouth Junction?
Monmouth Junction uses area code 732. It is located in New Jersey.
How do I call Monmouth Junction from outside the US?
To call Monmouth Junction from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-732-XXX-XXXX). The +1 is the country code for all NANPA countries.