Area Code Lookup
What Area Code Is Smithtown?
2 area codes serve Smithtown · New York
Smithtown is served by area codes 631, 934. It is located in New York.
Area Codes Serving Smithtown
Frequently Asked Questions
What area code is Smithtown?
Smithtown is served by area codes 631, 934. It is located in New York.
Why does Smithtown have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Smithtown now has 2 area codes — 631 and 934 — covering the same or overlapping areas.
How do I call Smithtown from outside the US?
To call Smithtown 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.