Area Code Lookup
What Area Code Is Elmhurst?
2 area codes serve Elmhurst · Illinois
Elmhurst is served by area codes 331, 630. It is located in Illinois.
Area Codes Serving Elmhurst
Frequently Asked Questions
What area code is Elmhurst?
Elmhurst is served by area codes 331, 630. It is located in Illinois.
Why does Elmhurst 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). Elmhurst now has 2 area codes — 331 and 630 — covering the same or overlapping areas.
How do I call Elmhurst from outside the US?
To call Elmhurst from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-331-XXX-XXXX). The +1 is the country code for all NANPA countries.