Lakeside Bank is Becoming Catalyst Bank

Catalyst Bank: Established in 1922


For more than 100 years, Catalyst Bank has been helping our communities grow stronger—one customer, one relationship, and one handshake at a time.

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We’re pleased to welcome you and look forward to building a strong banking relationship with you.

Beginning Saturday, November 7, 2026, your Lakeside Bank accounts and services will begin converting to Catalyst Bank. All updates will be effective Monday, November 9, when you’ll be able to access your new banking services and digital tools. Until then, continue banking with Lakeside Bank as you normally would.

Over the coming months, you’ll receive additional information from us by mail and email to help guide you through the transition. Please confirm that your mailing address, phone number, and email address are up to date. You can update your contact information with Lakeside Bank online, by phone, or in person.

For more details, please review the Frequently Asked Questions section below. We will update this section regularly, so be sure to check back for the latest information.

We look forward to serving you.


Important Items to Know


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Continue Banking with Confidence

Continue using your existing accounts, cards, checks, and other banking services, as well as your current branch locations and trusted local bankers.

Make Sure We Can Stay in Touch

Please confirm that your mailing address, phone number, and email address are up to date, so you can receive important updates and communications over the next few months. You can update your contact information online, in person, or by phone.

Stay Informed

We’ll share important updates in the months ahead. Be sure to check your mailbox and inbox and visit this site regularly for the latest news and information.


Frequently Asked Questions


1. What is happening with Lakeside Bank and Catalyst Bank?

Catalyst Bank is acquiring Lakeside Bank, which will merge into Catalyst Bank upon completion of the transaction. Through November 6, 2026, Lakeside Bank will continue operating under its current name as a division of Catalyst Bank. During this time, customer accounts and transactions will remain in Lakeside Bank systems until the conversion begins on November 7, 2026.

If you have questions about your account before the transition is complete, please contact the employees at Lakeside Bank. After November 9, 2026, all account information will be fully transitioned to Catalyst Bank systems. The same local team will continue serving you, now as Catalyst Bank.

2. What changes are taking place?

As part of the acquisition, we will convert from Lakeside Bank systems to Catalyst Bank digital platform and software. You can expect:

  • Contactless Debit Cards – making transactions quick, effortless, and secure!
  • Card Management – turn your card on and off, get instant alerts when your card is used, and set spending limits.
  • Enhanced Online + Mobile Banking experience – updated layouts and navigation features that give you the ability to take control of your finances on your own time.
  • And much more…
3. What does “conversion” mean, and when will it happen?

Conversion is the process of securely moving your account information and services from Lakeside Bank to Catalyst Bank. This process will begin on November 7, 2026, and will be completed when the new banking and digital systems are live on November 9, 2026. Please look for mailings and emails containing important information and any actions you may need to take.

4. If I have further questions, how do I contact you?

As we make this exciting transition, we want to meet your expectations every step of the way. Our team is here to help. Please visit one of your local branches with any questions.

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Important Contact Information

Branch Contact Numbers:

Lafayette – 337-279-5900

Opelousas – 337-948-3033

Harry Guilbeau – 337-678-4111

Port Barre – 337-585-2301

Carencro – 337-520-2281

Eunice – 337-457-8196

Lost or Stolen Debit Card:

855-948-4400

Lost or Stolen MasterCard:

800-556-5678