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Credit Union Routing Number

Shell Western States Federal Credit Union Routing Number

The routing number for Shell Western States Federal Credit Union is 321173218. It is a credit union in Martinez, California, NCUA charter 5484.

Primary ABA / RTN
321173218

Data as of · size and membership from the NCUA 5300 call report. How we update

About Shell Western States Federal Credit Union

Shell Western States Federal Credit Union is based in Martinez, California, and has been chartered since 1947. It reported $66.0M in assets for Q2 2026, the 175th largest of 239 credit unions headquartered in California and 2157th of 4,252 nationally. Assets were $73.6M a year earlier (Q2 2025), so the credit union is smaller now. It counted 2,136 members on that report. The NCUA lists 1 branch location for the credit union.

Record

Routing number
321173218
NCUA charter number
5484
RSSD ID
986878
Headquarters
Martinez, California 94553
Chartered
1947
NCUA insured since
January 4, 1971
Total assets (Q2 2026)
$66.0M
Members (Q2 2026)
2,136
Branch locations
1
Routing record refreshed
October 8, 2026
Check before you send money. Shell Western States Federal Credit Union's FFIEC record lists this one primary number and does not say whether it also serves wires. Confirm the wire number with the credit union. What a routing number is.

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All routing numbers in California

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Regulator records: NCUA credit union profile (charter 5484) · FFIEC NIC profile (RSSD 986878)

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