Area Code Lookup
What Area Code Is Stamford?
2 area codes serve Stamford · Connecticut
Stamford is served by area codes 203, 475. It is located in Connecticut.
Area Codes Serving Stamford
Frequently Asked Questions
What area code is Stamford?
Stamford is served by area codes 203, 475. It is located in Connecticut.
Why does Stamford 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). Stamford now has 2 area codes — 203 and 475 — covering the same or overlapping areas.
How do I call Stamford from outside the US?
To call Stamford 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.