Area Code Lookup
What Area Code Is Joliette?
3 area codes serve Joliette · Quebec
Joliette is served by area codes 354, 450, 579. It is located in Quebec.
Area Codes Serving Joliette
Frequently Asked Questions
What area code is Joliette?
Joliette is served by area codes 354, 450, 579. It is located in Quebec.
Why does Joliette 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). Joliette now has 3 area codes — 354 and 450 and 579 — covering the same or overlapping areas.
How do I call Joliette from outside the US?
To call Joliette from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-354-XXX-XXXX). The +1 is the country code for all NANPA countries.