Area Code Lookup
What Area Code Is Deerfield?
2 area codes serve Deerfield · Illinois
Deerfield is served by area codes 224, 847. It is located in Illinois.
Area Codes Serving Deerfield
Frequently Asked Questions
What area code is Deerfield?
Deerfield is served by area codes 224, 847. It is located in Illinois.
Why does Deerfield 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). Deerfield now has 2 area codes — 224 and 847 — covering the same or overlapping areas.
How do I call Deerfield from outside the US?
To call Deerfield from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-224-XXX-XXXX). The +1 is the country code for all NANPA countries.