Area Code Lookup
What Area Code Is Mission?
2 area codes serve Mission
Mission is served by area codes 604, 956. It spans British Columbia and Texas.
Area Codes Serving Mission
Frequently Asked Questions
What area code is Mission?
Mission is served by area codes 604, 956.
Why does Mission 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). Mission now has 2 area codes — 604 and 956 — covering the same or overlapping areas.
How do I call Mission from outside the US?
To call Mission from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-604-XXX-XXXX). The +1 is the country code for all NANPA countries.