Bank branch directory
First Interstate Bank Branches in Spearfish, South Dakota
The FDIC reported 2 deposit-reporting offices for First Interstate Bank in Spearfish as of June 30, 2025. Bankular currently provides 2 detailed location pages. Current totals may differ from the historical SOD snapshot because of later openings, closures, relocations and bank mergers.
Detailed location pages2
FDIC-reported offices2
Reported branch deposits$183.2M
SOD reporting dateJune 30, 2025
Branch map
First Interstate Bank locations in Spearfish
Locations
First Interstate Bank branches in Spearfish
Spearfish Lookout Mountain
311 N 27th St, Spearfish, South Dakota, 57783
Full-service branch · Opened November 14, 2005
Reported deposits · June 30, 2025$33.9M
Branch details and directions →
Spearfish Main
1400 North Ave, Spearfish, South Dakota, 57783
Full-service branch · Opened June 6, 1983
Reported deposits · June 30, 2025$149.2M
Branch details and directions →