Area Code Lookup
What Area Code Is Unionville?
4 area codes serve Unionville
Unionville is served by area codes 641, 742, 826, 905. It spans Iowa and Ontario and Virginia.
Area Codes Serving Unionville
Frequently Asked Questions
What area code is Unionville?
Unionville is served by area codes 641, 742, 826, 905.
Why does Unionville 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). Unionville now has 4 area codes — 641 and 742 and 826 and 905 — covering the same or overlapping areas.
How do I call Unionville from outside the US?
To call Unionville from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-641-XXX-XXXX). The +1 is the country code for all NANPA countries.