Area Code Lookup
What Area Code Is Dexter?
2 area codes serve Dexter
Dexter is served by area codes 573, 734. It spans Missouri and Michigan.
Area Codes Serving Dexter
Frequently Asked Questions
What area code is Dexter?
Dexter is served by area codes 573, 734.
Why does Dexter 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). Dexter now has 2 area codes — 573 and 734 — covering the same or overlapping areas.
How do I call Dexter from outside the US?
To call Dexter from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-573-XXX-XXXX). The +1 is the country code for all NANPA countries.