Area Code Lookup
What Area Code Is Brentwood?
2 area codes serve Brentwood · New York
Brentwood is served by area codes 631, 934. It is located in New York.
Area Codes Serving Brentwood
Frequently Asked Questions
What area code is Brentwood?
Brentwood is served by area codes 631, 934. It is located in New York.
Why does Brentwood 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). Brentwood now has 2 area codes — 631 and 934 — covering the same or overlapping areas.
How do I call Brentwood from outside the US?
To call Brentwood 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.