AskHandle

AskHandle Blog

How to Contact Bank of the Sierra Customer Service

September 4, 2025Emily Henderson3 min read

How to Contact Bank of the Sierra Customer Service

Bank of the Sierra is dedicated to providing exceptional service to its customers. If you have questions, concerns, or need help with their services, reaching their customer service team is simple. Here’s how you can contact them.

Phone Support

One of the easiest ways to connect with Bank of the Sierra's customer service is by phone. They offer dedicated lines for various inquiries:

  • For general customer service inquiries, call 1-888-454-BANK.
  • If using a TTY device, the hotline is 1-855-355-2687.

Customer service operates during these hours:

  • Monday to Friday: 7:30 am - 7:00 pm PST
  • Saturday: 9:00 am - 1:00 pm PST

Message Center

If you prefer written communication, Bank of the Sierra has a message center for your inquiries:

  1. Quick Message Center: Send a quick message via their website. Visit the Quick Message Center page and fill out the form with your query.
  2. SecureMail Message Center: For confidential matters, log into your online banking account to access the SecureMail Message Center.

Debit Card Hotline

For issues related to your debit card, such as lost cards or fraudulent activities, call their 24-hour hotline at 1-800-974-4406.

Sierra Telebanking

For specific banking inquiries or assistance with Sierra Telebanking services, contact them at 1-888-307-3772.

Writing a Letter

If you prefer traditional mail, send your letters to:

Bank of the Sierra
P.O. Box 1930
Porterville, CA 93258

Online Resources

Bank of the Sierra offers extensive online resources. Their website provides valuable information, including frequently asked questions and contact details.

Mobile App Support

If you have questions or issues with the mobile banking app, you can contact customer service using the phone numbers or message center listed above.

Contacting Bank of the Sierra's customer service is straightforward. With options like phone support, online messaging, or traditional mail, you can easily get assistance for your banking needs.