Area Code Lookup
What Area Code Is Oak Park?
2 area codes serve Oak Park · Illinois
Oak Park is served by area codes 464, 708. It is located in Illinois.
Area Codes Serving Oak Park
Frequently Asked Questions
What area code is Oak Park?
Oak Park is served by area codes 464, 708. It is located in Illinois.
Why does Oak Park 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). Oak Park now has 2 area codes — 464 and 708 — covering the same or overlapping areas.
How do I call Oak Park from outside the US?
To call Oak Park from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-464-XXX-XXXX). The +1 is the country code for all NANPA countries.