Area Code Lookup
What Area Code Is Harrisburg?
Area code 605 · South Dakota
Harrisburg uses area code 605. It is located in South Dakota.
Area Code Serving Harrisburg
Frequently Asked Questions
What area code is Harrisburg?
Harrisburg uses area code 605. It is located in South Dakota.
How do I call Harrisburg from outside the US?
To call Harrisburg from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-605-XXX-XXXX). The +1 is the country code for all NANPA countries.