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Scam Alert! We've been notified by our members that imposters are spoofing our phone number and are asking for personal information. As a reminder, we will NEVER call asking you to disclose confidential information. Please call us at (210) 442-0100 if you have any questions.

Contact Us

We're Here To Help

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.

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

SmartCall – 24/7 Automated Service

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

24/7 Debit & Credit Card Numbers

Support: (888) 918-7313
Fraud Department: (800) 235-7728

Report Lost or Stolen Cards

Credit Card: (866) 820-3034
Debit Card: (866) 820-0995

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.

Let's Get Started

Needed Items

To make this process as quick as possible, please have the following ready for yourself and any joint account holders on the account, including beneficiaries:

  • Social Security Number
  • Date of Birth
  • Current Address
  • Phone Number
  • Email Address
  • Valid ID
  • Initial Deposit Amount (ACH or Credit Card)

Choose one of the following:

Let's Get Started

Needed Items
To make this process as quick as possible, please have the following ready for yourself and any joint account holders on the account, including beneficiary’s:

  • Social Security Number
  • Date of Birth
  • Current Address
  • Phone Number
  • Email Address
  • Valid ID
  • Requested Loan Amount