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