

Lobby Hours
Drive-Thru Hours
For more than 25 years, Shamrock Bank has been part of the Altus community—not just serving it, but investing in it. Since opening our full-service branch in 2001, we’ve built our reputation on understanding the people, businesses, and industries that drive our local economy.
Our involvement goes far beyond banking. Through our membership with the Altus Chamber of Commerce and active volunteerism, we stay closely connected to the people and organizations that make this community thrive. We invest in what matters—from the Jackson County Livestock Show and local schools to youth athletics and small businesses through our “spend local” initiatives. In 2023, we helped launch the Altus Battle of the Banks Blood Drive, an effort that reflects our values in showing up for our community in meaningful, yet unique ways. Since its debut, 379 donations have been made—impacting an estimated 1,137 lives. While the impact is what matters most, we’re proud to say Shamrock Bank has taken home the trophy all three years.
As an employee-owned bank, we take ownership in everything we do. Every decision. Every interaction. Every relationship. We believe in true relationship banking—where you’re never a number, always a name.
We look forward to seeing you.



