Area Code Lookup
What Area Code Is New Haven?
3 area codes serve New Haven
New Haven is served by area codes 203, 475, 502. It spans Connecticut and Kentucky.
Area Codes Serving New Haven
Frequently Asked Questions
What area code is New Haven?
New Haven is served by area codes 203, 475, 502.
Why does New Haven 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). New Haven now has 3 area codes — 203 and 475 and 502 — covering the same or overlapping areas.
How do I call New Haven from outside the US?
To call New Haven from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-203-XXX-XXXX). The +1 is the country code for all NANPA countries.