Area Code Lookup
What Area Code Is Whitby?
2 area codes serve Whitby · Ontario
Whitby is served by area codes 289, 742. It is located in Ontario.
Area Codes Serving Whitby
Frequently Asked Questions
What area code is Whitby?
Whitby is served by area codes 289, 742. It is located in Ontario.
Why does Whitby 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). Whitby now has 2 area codes — 289 and 742 — covering the same or overlapping areas.
How do I call Whitby from outside the US?
To call Whitby from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-289-XXX-XXXX). The +1 is the country code for all NANPA countries.