Bank Branches › Wyoming › Fremont County › 323 E Main St
Full-service office · FDIC office no. 8903
First Interstate Bank
323 E Main St, Riverton, WY 82501
Open · June 2026
$344M
deposits, 2026
1934
established
1st
of 12 in county
2
names on the sign
| Date | Bank on the sign | Deposits | Change |
|---|---|---|---|
| Jun 30 2026 | First Interstate Bank | $344M | −6% |
| Jun 30 2025 | First Interstate Bank | $365M | +20% |
| Jun 30 2024 | First Interstate Bank | $303M | −5% |
| Jun 30 2023 | First Interstate Bank | $318M | −6% |
| Jun 30 2022 | First Interstate Bank | $340M | +7% |
| Jun 30 2021 | First Interstate Bank | $317M | +34% |
| Jun 30 2020 | First Interstate Bank | $237M | +18% |
| Jun 30 2019 | First Interstate Bank | $200M | +7% |
| Jun 30 2018 | First Interstate Bank | $187M | −5% |
| Jun 30 2017 | First Interstate Bank | $196M | +2% |
| Jun 30 2016 | First Interstate Bank | $193M | −5% |
| Jun 30 2015 | First Interstate Bank | $204M | −2% |
| Jun 30 2014 | First Interstate Bank | $209M | +23% |
| Jun 30 2013 | First Interstate Bank | $170M | +7% |
| Jun 30 2012 | First Interstate Bank | $159M | +3% |
| Jun 30 2011 | First Interstate Bank | $155M | −1% |
| Jun 30 2010 | First Interstate Bank | $156M | +6% |
| Jun 30 2009 | First Interstate Bank | $147M | +10% |
| Jun 30 2008 | First Interstate Bank | $134M | +1% |
| Jun 30 2007 | First Interstate Bank | $132M | +15% |
| Jun 30 2006 | First Interstate Bank | $115M | +9% |
| Jun 30 2005 | First Interstate Bank | $105M | 0% |
| Jun 30 2004 | First Interstate Bank | $105M | +7% |
| Jun 30 2003 | First Interstate Bank | $98.4M | +4% |
| Jun 30 2002 | First Interstate Bank | $94.2M | +1% |
| Jun 30 2001 | First Interstate Bank | $93.1M | +27% |
| Jun 30 2000 | First Interstate Bank | $73.2M | +8% |
| Jun 30 1999 | First Interstate Bank | $67.8M | +12% |
| Jun 30 1998 | First Interstate Bank | $60.7M | +21% |
| Jun 30 1997 | First Interstate BankNEW NAME | $50.0M | +5% |
| Jun 30 1996 | First Interstate Bank of Wyoming, National Association | $47.6M | −16% |
| Jun 30 1995 | First Interstate Bank of Wyoming, National Association | $56.4M | +3% |
| Jun 30 1994 | First Interstate Bank of Wyoming, National Association | $54.5M | |
| 1934-04-12 | Office established (FDIC record) — 60 years before this passbook begins | ||
Nearest other open offices in Fremont County
- 0.1 miBMO Bank National Association · 123 E Main St, Riverton
- 0.3 miCentral Bank and Trust · 220 N Federal Blvd, Riverton
- 0.5 miWells Fargo Bank, National Association · 616 N Federal Blvd, Riverton
- 1.2 miWyoming Community Bank · 1700 N Federal Blvd, Riverton
- 21.5 miFirst Interstate Bank · 8118 Highway 789, Lander
- 21.9 miCentral Bank and Trust · 285 Main St, Lander
- 21.9 miBMO Bank National Association · 303 Main St, Lander
- 22.1 miWyoming Community Bank · 685 Main St, Lander
All banks in Fremont County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate Bank →
Names on the sign
1994–1996First Interstate Bank of Wyoming, National Association1997–nowFirst Interstate Bank
The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.
Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 8903.