Credit Union Routing Number
Firstmark Credit Union Routing Number
The routing number for Firstmark Credit Union is 314088556. It is a credit union in San Antonio, Texas, NCUA charter 62509.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Firstmark Credit Union
Firstmark Credit Union is based in San Antonio, Texas, and has been chartered since 1932. It reported $1.29B in assets for Q2 2026, the 26th largest of 377 credit unions headquartered in Texas and 385th of 4,252 nationally. Assets were $1.23B a year earlier (Q2 2025), so the credit union is larger now. It counted 86,300 members on that report. The NCUA lists 13 branch locations for the credit union.
Record
- Routing number
- 314088556
- NCUA charter number
- 62509
- RSSD ID
- 681490
- Headquarters
- San Antonio, Texas 78232
- Chartered
- 1932
- NCUA insured since
- January 6, 1975
- Total assets (Q2 2026)
- $1.29B
- Members (Q2 2026)
- 86,300
- Branch locations
- 13
- Routing record refreshed
- October 8, 2026
Routing numbers in San Antonio, TX
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- Frost Bank: 114000093
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- Security Service Federal Credit Union: 314088637
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- Broadway National Bank: 114021933
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- Vantage Bank Texas: 114915272
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- Credit Human Federal Credit Union: 314088284
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- Jefferson Bank: 114000763
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- Soarion Federal Credit Union: 314085504
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- Synergy Federal Credit Union: 314092128
View Firstmark Credit Union's full profile →
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Regulator records: NCUA credit union profile (charter 62509) · FFIEC NIC profile (RSSD 681490)