Area Code Lookup
What Area Code Is Summerville?
2 area codes serve Summerville · South Carolina
Summerville is served by area codes 843, 854. It is located in South Carolina.
Area Codes Serving Summerville
Frequently Asked Questions
What area code is Summerville?
Summerville is served by area codes 843, 854. It is located in South Carolina.
Why does Summerville 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). Summerville now has 2 area codes — 843 and 854 — covering the same or overlapping areas.
How do I call Summerville from outside the US?
To call Summerville 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.