Area Code Lookup
What Area Code Is Mount Pleasant?
3 area codes serve Mount Pleasant
Mount Pleasant is served by area codes 843, 903, 989. It spans South Carolina and Texas and Michigan.
Area Codes Serving Mount Pleasant
Frequently Asked Questions
What area code is Mount Pleasant?
Mount Pleasant is served by area codes 843, 903, 989.
Why does Mount Pleasant 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). Mount Pleasant now has 3 area codes — 843 and 903 and 989 — covering the same or overlapping areas.
How do I call Mount Pleasant from outside the US?
To call Mount Pleasant from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-843-XXX-XXXX). The +1 is the country code for all NANPA countries.