Area Code Lookup
What Area Code Is Cornwall?
2 area codes serve Cornwall · Ontario
Cornwall is served by area codes 613, 753. It is located in Ontario.
Area Codes Serving Cornwall
Frequently Asked Questions
What area code is Cornwall?
Cornwall is served by area codes 613, 753. It is located in Ontario.
Why does Cornwall 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). Cornwall now has 2 area codes — 613 and 753 — covering the same or overlapping areas.
How do I call Cornwall from outside the US?
To call Cornwall from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-613-XXX-XXXX). The +1 is the country code for all NANPA countries.