Lewiston State Bank, a division of People's Intermountain Bank, was established in 1905. We operate four full-service branches located in Preston, Idaho and in Lewiston, Logan and North Logan, Utah. Find contact information for the branches here. Lewiston State Bank’s tagline is a promise to customers: “Established for your future.” Lewiston State Bank was established more than 100 years ago with its community and the people it served in mind. Today, Lewiston State Bank still has the community and individuals in mind, and the associates at Lewiston State Bank work hard to ensure that we offer the financing, products and services you need to keep building our community.