First Interstate Bank
Headquartered in Billings, MT. Part of First Interstate Bancsystem, Inc. FDIC certificate #1105 · Federal Reserve RSSD 659855.
Total assets
$26.4B
Deposits
$22.2B
Q1 2026
Active branches
274
Closings since Jan 2020
45
11 openings since Jan 2020
Financial snapshot — Q1 2026
All quarters →Net income (quarter)
$67M
Return on assets
1.02%
Return on equity
8.11%
Noncurrent loan rate
1.05%
Deposits by year (Summary of Deposits)
112019
132020
162021
272022
242023
232024
232025
Values in $ billions, June 30 of each year.
Closings by year
62020
42021
182022
72023
42024
62026
Openings by year
22020
22021
32022
12023
12024
12025
12026
Other network changes since 2020
- 62 branch relocations
- 176 branches acquired through purchases or mergers
Branches by state
Recent closings (30 of 45)
- 6945 A ST · closed February 27, 2026
- 1811 W 2ND ST · closed February 27, 2026
- First Interstate Bank — Fargo, NDbank exits city5650 34TH AVENUE EAST, SUITE 100 · closed February 27, 2026
- First Interstate Bank — Marshall, MNbank exits city1418 E COLLEGE DR · closed February 27, 2026
- 3705 TWINCREEK DRIVE · closed February 27, 2026
- 3939 NORMAL BLVD · closed February 27, 2026
- 213 MAIN ST · closed July 26, 2024
- 2728 COLONIAL DR · closed July 26, 2024
- 801 MAIN ST · closed July 26, 2024
- 435 W HANLEY AVE · closed July 26, 2024
- 3010 N 90TH ST · closed December 1, 2023
- 112 E MONTANA ST · closed September 16, 2023
- First Interstate Bank — Fargo, NDbank exits city5675 26TH AVE S · closed August 18, 2023
- 321 N 3RD ST · closed August 11, 2023
- 200 SW MARKET ST · closed June 30, 2023
- 947 O ST · closed June 30, 2023
- 6001 NW RADIAL HWY · closed June 30, 2023
- 268 STRAND UNION BUILDING · closed December 16, 2022
- 2021 N MONTANA AVE · closed June 10, 2022
- 424 WEST AVENUE · closed May 20, 2022
- First Interstate Bank — Missouri Valley, IAbank exits city205 E ERIE · closed May 20, 2022
- 1464 26TH AVENUE · closed May 20, 2022
- First Interstate Bank — Canton, SDbank exits city102 W 5TH ST · closed May 20, 2022
- 6424 HAVELOCK AVENUE · closed May 20, 2022
- SIXTH AND LINCOLN STREETS · closed May 20, 2022
- 5300 SOUTH 56TH STREET · closed May 20, 2022
- 510 MAIN STREET · closed May 20, 2022
- 1516 EAST SAINT PATRICK STREET · closed May 20, 2022
- First Interstate Bank — Eldora, IAbank exits city1402 WASHINGTON STREET · closed May 20, 2022
- 1820 CALDWELL BLVD · closed April 8, 2022
All figures transcribed from FDIC BankFind Suite records: structure-change history, quarterly financial reports and the annual Summary of Deposits · bank site: www.firstinterstatebank.com.