Welcome American Bank
The same commitment to personalized service, now with even more ways to bank, grow, and prosper.
Your accounts, deposits, and banking relationships remain important to us. We are committed to making this transition as smooth as possible.
We’re here to help! Please call us with any questions at 1-800-531-1401
Welcome to the Prosperity Bank Family
For generations, community banking has been at the heart of both our organizations. As American Bank becomes part of Prosperity Bank, you can continue to expect the personal relationships and trusted service you’ve come to know, now backed by an expanded network of banking centers, enhanced digital banking capabilities, and a broader range of financial solutions.
Since 1983, Prosperity Bank has proudly served individuals, families, and businesses throughout Texas and beyond. We are excited to welcome you and look forward to helping you achieve your financial goals for years to come.
Serving Communities Since 1983
300+ Banking Centers Across Texas & Oklahoma
Personal, Business & Wealth Solutions
Helpful Resources
About the Acquisition
Read our press release about the acquisition
Welcome Letter
Welcome letter for American Bank customers
General - FAQs
Your frequently asked questions answered here
Treasury Center
What you need to know about Treasury Center changes
Retail Online Banking
What you need to know about Retail Online Banking
Prosperity Bank Privacy Policy
Privacy Policy Information for Prosperity Bank
Email Security Tips For Safety
Email Security Tips to Protect You from Falling Victim to ATTACKERS
Why Prosperity?
- Community-focused banking with local decision-making
- Expanded network of banking centers and ATMs
- Convenient online and mobile banking tools
- Personal, business, mortgage, and wealth management solutions
- Dedicated customer support from experienced banking professionals
- A trusted Texas banking institution with a long history of serving local communities
What Stays the Same?
- Our commitment to personalized service
- Your relationship-focused banking experience
- Our dedication to the communities we serve
What's New
- More locations
- Expanded products and services
- Enhanced digital banking resources