Area Code Lookup
What Area Code Is Barnwell?
Area code 803 · South Carolina
Barnwell uses area code 803. It is located in South Carolina.
Area Code Serving Barnwell
Frequently Asked Questions
What area code is Barnwell?
Barnwell uses area code 803. It is located in South Carolina.
How do I call Barnwell from outside the US?
To call Barnwell from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-803-XXX-XXXX). The +1 is the country code for all NANPA countries.