Banks in Tripp, South Dakota, the US. Banks locations in Tripp, South Dakota. Find the nearest banks locations, near you. All types of business services Accounting ATM Bank Finance Insurance School All banks in Tripp Closed now Until 08:00 am BankWest Finance Insurance agency Bank +1 605-935-6561 214 South Main Street, Tripp, South Dakota 57376 Write a review Phone Hours Website Directions