Area Code Lookup
What Area Code Is Casey?
2 area codes serve Casey
Casey is served by area codes 217, 641. It spans Illinois and Iowa.
Area Codes Serving Casey
Frequently Asked Questions
What area code is Casey?
Casey is served by area codes 217, 641.
Why does Casey 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). Casey now has 2 area codes — 217 and 641 — covering the same or overlapping areas.
How do I call Casey from outside the US?
To call Casey from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-217-XXX-XXXX). The +1 is the country code for all NANPA countries.