For banking by telephone, to find an ATM, or to speak to a Star One phone representative for assistance with this website, please call us at 866-543-5202 or 408-543-5202.
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Convenience, security, and simplicity. Star One provides you with the tools you need to manage your finances easily and worry-free....

Contact us by web or email

Phone appointments are available for questions pertaining to New Membership, Consumer Loan, Real Estate, and Individual Retirement Account (IRA) applications. To set up a Phone Branch appointment, please email appointments@starone.org and include the following:

  • Your name
  • Your best contact information
  • Date and time you would like your phone appointment
  • Reason for your appointment (Please do not include member numbers, account numbers, or card numbers)

A Star One representative will contact you during normal business hours to confirm the appointment or provide you with other options. You may also call us directly at 408-543-5202 to make an appointment.

Effective January 10, 2022, for the health and safety of our members and our employees, the following changes apply to all Star One Branches:

We are experiencing longer wait times and we thank you for your patience. We remain committed to serving you and thank you for your understanding during this time.

To send us confidential information, log on to our Secure Email Message Center.

Regular e-mail is unencrypted and not secure; sensitive information should not be sent via that channel. Messages travel across many networks before reaching their final destination, enabling prying eyes to eavesdrop on e-mail messages.

Use this non-secure form to send us general questions, feedback or reservations for our educational workshops.

To send confidential information (such as Social Security Numbers, account numbers, financial statements), use our Secure Email Message Center instead.


Star One Branch Locations

Branch hours:

  • Masks are required in Santa Clara County regardless of vaccination status. We thank you for your cooperation!
  • Monday, Tuesday, Thursday: 9 AM - 5 PM
  • Wednesday: 10 AM - 5 PM
  • Friday: 9 AM - 6 PM
  • Saturday (Stevens Creek, Blossom Hill and Big Basin branches only): 9 AM - 4 PM

Call Us

Toll-free at (866) 543-5202 or (408) 543-5202

Regular Call Center Hours

  • Monday-Friday: 7 AM-7 PM PT
  • Saturday-Sunday: 9 AM-5 PM PT

Holiday Call Center Hours

  • Christmas, New Year's and Thanksgiving: closed
  • Day before Thanksgiving: 7 AM-6 PM PT
  • New Year's Eve: 7 AM-5 PM PT
  • Christmas Eve and other holidays: 9 AM-5 PM PT

Our Shared Branch call center handles after-hours calls and can assist you with general questions and basic transactions.


Fax: (408) 543-5203
Mailing address: P.O. Box 3643
Sunnyvale, CA 94088-3643

Use our Locator to find ATMs, CO-OP ATMs (including 7-Eleven stores), and Shared Branches.


2022 Holidays—Star One branches will be closed

  • Saturday, January 1: New Year's Day
  • Monday, January 17: Martin Luther King Jr. Day
  • Monday, February 21: Presidents Day
  • Monday, May 30: Memorial Day
  • Monday, June 20: Juneteenth Day
  • Monday, July 4: Independence Day
  • Monday, September 5: Labor Day
  • Monday, October 10: Columbus Day
  • Friday, November 11: Veterans Day
  • Thursday, November 24: Thanksgiving Day
  • Friday, November 25: Day after Thanksgiving Day
  • Monday, December 26: Christmas Day observed