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Firstmark Credit Union


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



Firstmark Credit Union (Formerly San Antonio Teachers Credit Union) is a member-owned, locally controlled, not-for-profit financial cooperative. It was chartered in 1932, giving it the honor of being the oldest state-chartered credit union in San Antonio, Texas. They strive to be their members’ first choice for innovative and convenient financial services delivered by friendly, dynamic employees who consistently strive to exceed expectations.

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