Area Code Lookup
What Area Code Is Pierre?
Area code 605 · South Dakota
Pierre uses area code 605. It is located in South Dakota.
Area Code Serving Pierre
Frequently Asked Questions
What area code is Pierre?
Pierre uses area code 605. It is located in South Dakota.
How do I call Pierre from outside the US?
To call Pierre 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.