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.
Local: (210) 442-0100
Toll Free: (800) 683-1211
Mon – Fri: 8:00 am – 6:00 pm
Sat: 9:00 am – 4:00 pm
Local: (210) 442-0199
Mon – Fri: 8:00 am – 6:00 pm
Sat: 9:00 am – 4:00 pm
Local: (210) 366-2255
Toll Free: (888) 683-1211
Support: (888) 918-7313
Fraud Department: (800) 235-7728
Credit Card: (866) 820-3034
Debit Card: (866) 820-0995
We have 12 convenient locations in San Antonio, La Vernia, and New Braunfels, Texas. Book an appointment to avoid a wait!
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.
Here is a list of services that are available inside our lobbies:
To get started, follow the steps below:
The free Firstmark Credit Union App allows members to securely view account balances, deposit checks, transfer funds, and more.
Founded by teachers, powered by members, and built for your community!
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:
Choose one of the following:
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:
