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First Interstate Bank Branches in Aberdeen, South Dakota
First Interstate Bank has 2 detailed location pages in Aberdeen.
Detailed location pages2
ZIP codes covered1
Location data updatedJuly 30, 2026
Branch map
First Interstate Bank locations in Aberdeen
Locations
First Interstate Bank branches in Aberdeen
Aberdeen East
1805 6th Ave Se, Aberdeen, South Dakota, 57401
Full-service branch · Opened September 30, 1934
Reported deposits · June 30, 2025$47.9M
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Aberdeen West
119 6th Ave Se, Aberdeen, South Dakota, 57401
Full-service branch · Opened April 27, 1983
Reported deposits · June 30, 2025$128.7M
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