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Welcome LegacyTexas


We look forward to seeing you soon! 

Prosperity Bank is excited to welcome all LegacyTexas customers to the Prosperity family! 

On this merger page, you will find information about the conversion including important dates, account change guides, online banking updates, new product offerings, how to contact us, and more.

We invite you to explore all of the details below. Please call us with any questions at 1-800-531-1401.




Helpful Resources

Important Dates

Make note of the System Conversion Schedule

Learn More

What you need to know about Deposit Account changes 

Learn More

Business Deposit Accounts

What you need to know about Business Account changes

Learn More

Trust Services and Investments

Explore these expanding services 

Learn More

Personal Online Banking

Find out important details about changes to Online Banking

Learn More

Treasury Center 

Log in to your Treasury Accounts 

Learn More 

About the Merger

Learn More 

Accounts & Loans

Will there be any changes to my deposit accounts?

You will notice a few changes to your accounts, including new product names and features. Select the links below to see how your LegacyTexas accounts will integrate into Prosperity Bank’s product line.


Account Guide Personal

Account Guide Business

Privacy Policy


What else do I need to know?

  • Reminder to activate your new Prosperity Bank Debit Card (if applicable).
  • Most of our account and loan numbers will remain the same, but a small group of clients whose numbers are changing will be contacted by us.
  • Continue to use your remaining supply of checks and deposit slips until it is depleted.
  • Direct deposit, ACH, and automatic payments/transfers will continue without interruption.
  • Scheduled recurring transfers between your personal LegacyTexas accounts will remain active.
  • CD and IRA rates and terms will remain in effect through maturity, but we will no longer send statements for CDs, and we will only send annual statements for IRAs.
  • Loan rates and terms will remain in effect through maturity and all automatic loan payments will continue without interruption.

    Prosperity Bank Routing number 113122655



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