Area Code Lookup
What Area Code Is Arlington Heights?
2 area codes serve Arlington Heights · Illinois
Arlington Heights is served by area codes 224, 847. It is located in Illinois.
Area Codes Serving Arlington Heights
Frequently Asked Questions
What area code is Arlington Heights?
Arlington Heights is served by area codes 224, 847. It is located in Illinois.
Why does Arlington Heights 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). Arlington Heights now has 2 area codes — 224 and 847 — covering the same or overlapping areas.
How do I call Arlington Heights from outside the US?
To call Arlington Heights 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.