Welcome Lone Star State Bank of West Texas

We look forward to seeing you soon!
Prosperity Bank is excited to welcome all Lone Star customers to the Prosperity family!
Here 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
About the Acquisition
Read our press release about the acquisition
Welcome Letter
Welcome letter for Lone Star customers
General - Important Dates
View a timeline of important conversion dates
General - FAQs
Your frequently asked questions answered here
Personal Deposit Accounts
What you need to know about Deposit Account changes
Business Deposit Accounts
What you need to know about Business Deposit Accounts
Internet & Mobile Banking
What you need to know about Internet & Mobile Banking
Treasury Center Online Banking
Disclosures
Understanding Your Deposit Account – Disclosures
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 Lone Star Bank accounts will integrate into Prosperity Bank’s product line.
First-Time Login Instructions
Instructions for setting up 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