Treasury Center - Merger  

Banking Made Easy

At Prosperity Bank, we know it takes time and effort to run a business, and like FirstCapital Bank of Texas, our goal is to help you run your business finances efficiently. Customers like you are the lifeblood of our bank. That’s why we will do everything we can to ensure a smooth transition for your business during our merger.

Below you will find important information pertaining to your current products and services, how to best prepare for the conversion, important reminders with key highlights as well as a detailed FAQ, and important dates and cut-off times.

Some FCB customers can expect to receive communications via mail and email (ContactUs@ProsperityBankUSA.com) surrounding a number of changes. Rest assured the Cash and Treasury Team you have come to know and trust will remain with Prosperity to continue serving you during this time.

Thank you for trusting us with your business. We look forward to serving you as Prosperity Bank.

Treasury Welcome Letter

Guides & Resources

Positive Pay

Protect against fraud by utilizing Prosperity Bank’s Positive Pay service to electronically monitor check or ACH transactions presented for payment to your business checking account. Validates the checks presented to your account for payment prior to processing by automatically matching the items against your business check-issued files. Choose Prosperity’s Check Positive Pay service, ACH Positive Pay, or both.

Secure Browser Installation Guides

Important Merger Dates

With the merger of FirstCapital Bank (FCB) and Prosperity Bank, there will be many important dates to keep in mind. Please see the table below for more information and be sure to check back regularly for new updates.

Processing Deadlines

Effective Monday, May 15, 2023. All cut-off times are Central Standard Time.