Credit Union Routing Number
Dow Great Western Credit Union Routing Number
The routing number for Dow Great Western Credit Union is 321174550. It is a credit union in Antioch, California, NCUA charter 64503.
Data as of · size and membership from the NCUA 5300 call report. How we update
About Dow Great Western Credit Union
Dow Great Western Credit Union is based in Antioch, California, and has been chartered since 1938. It reported $48.2M in assets for Q2 2026, the 188th largest of 239 credit unions headquartered in California and 2406th of 4,252 nationally. Assets were $47.8M a year earlier (Q2 2025), so the credit union is larger now. It counted 1,858 members on that report. The NCUA lists 2 branch locations for the credit union.
Record
- Routing number
- 321174550
- NCUA charter number
- 64503
- RSSD ID
- 992598
- Headquarters
- Antioch, California 94531
- Chartered
- 1938
- NCUA insured since
- July 14, 1978
- Total assets (Q2 2026)
- $48.2M
- Members (Q2 2026)
- 1,858
- Branch locations
- 2
- Routing record refreshed
- October 8, 2026
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Regulator records: NCUA credit union profile (charter 64503) · FFIEC NIC profile (RSSD 992598)