Area Code Lookup
What Area Code Is Ronkonkoma?
Area code 631 · New York
Ronkonkoma uses area code 631. It is located in New York.
Area Code Serving Ronkonkoma
Frequently Asked Questions
What area code is Ronkonkoma?
Ronkonkoma uses area code 631. It is located in New York.
How do I call Ronkonkoma from outside the US?
To call Ronkonkoma from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-631-XXX-XXXX). The +1 is the country code for all NANPA countries.