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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

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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

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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.
Find A Financial Center

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
Make an Appointment
24/7 Account Access

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

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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.
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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.

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.

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