Area Code Lookup
What Area Code Is Fairfield?
2 area codes serve Fairfield
Fairfield is served by area codes 203, 641. It spans Connecticut and Iowa.
Area Codes Serving Fairfield
Frequently Asked Questions
What area code is Fairfield?
Fairfield is served by area codes 203, 641.
Why does Fairfield 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). Fairfield now has 2 area codes — 203 and 641 — covering the same or overlapping areas.
How do I call Fairfield from outside the US?
To call Fairfield 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.