Area Code Lookup
What Area Code Is Peterborough?
3 area codes serve Peterborough · Ontario
Peterborough is served by area codes 249, 683, 705. It is located in Ontario.
Area Codes Serving Peterborough
Frequently Asked Questions
What area code is Peterborough?
Peterborough is served by area codes 249, 683, 705. It is located in Ontario.
Why does Peterborough 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). Peterborough now has 3 area codes — 249 and 683 and 705 — covering the same or overlapping areas.
How do I call Peterborough from outside the US?
To call Peterborough from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-249-XXX-XXXX). The +1 is the country code for all NANPA countries.