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Contact Us

Reach Out To Us

Call Center

Local: (210) 442-0100
Toll-Free: (800) 683-1211

Mon – Fri: 8:00 am – 6:00 pm
Sat: 9:00 am – 4:00 pm

Loan Application Line

Local: (210) 442-0199

Mon – Fri: 8:00 am – 6:00 pm
Sat: 9:00 am – 4:00 pm

24/7 Support

Smart Call | Automated Service

Local: (210) 366-2255
Toll-Free: (888) 683-1211

Debit & Credit Card Support | Live Agent

Toll-Free: (888) 918-7313

Visit Us

We have 12 convenient locations in San Antonio, La Vernia, and New Braunfels, Texas. Book an appointment to avoid a wait!

Lobby/Drive-Thru Hours

Mon – Fri: 9:00 am – 5:30 pm
Sat: 9:00 am – 1:00 pm*
Sun: Closed

We have convenient locations spread across San Antonio, and in the surrounding areas of La Vernia, and New Braunfels, Texas.

*Select locations include Culebra, Huebner, Jefferson, La Vernia, Legacy, Mission, New Braunfels, and O’Connor.

Lobby Appointments Available

Here is a list of services that are available inside our lobbies:

  • Account Services
  • Apply for a Loan/Credit Card
  • Become a Member
  • Business Account
  • Debit Card Services
  • Fraud Disputes
  • Home Loans
  • IRA Services
  • Mobile/Online Services
  • Notary Service
  • Safe Deposit Services
  • Switch to Power of the Dollar® Checking

Get Started

To get started, follow the steps below:

  1. Choose your Financial Center above via the button
  2. Complete the appointment form
  3. You’ll receive a confirmation email
24/7 Account Access

The free Firstmark Credit Union App allows members to securely view account balances, deposit checks, transfer funds, and more.

Card Controls
To lock/unlock a card, log in to Digital Banking, select your account, click Card Controls, and choose the card you wish to lock or unlock.

We're Here To Help

Reminder: Do not send sensitive information, including your account number, Social Security number, etc., through this form. To deliver sensitive information, simply log in to Digital Banking and send us a secure message.

By submitting the information above, you are providing consent for Firstmark Credit Union to contact you by email and telephone call, including wireless (i.e. cell phone). For more information, please review our Privacy Policy.

Corporate Office
2023 Gold Canyon Dr.
San Antonio, TX 78232

General Mail
P.O. Box 701650
San Antonio, TX 78270-1650

Secure Messaging
Log in to Digital Banking to send a secure message.