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Credit Union Routing Number

Premierone Credit Union Routing Number

The routing number for Premierone Credit Union is 321177434. It is a credit union in San Jose, California, NCUA charter 68540.

Primary ABA / RTN
321177434

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

About Premierone Credit Union

Premierone Credit Union is based in San Jose, California, and has been chartered since 1968. It reported $655.7M in assets for Q2 2026, the 83rd largest of 239 credit unions headquartered in California and 651st of 4,252 nationally. Assets were $631.6M a year earlier (Q2 2025), so the credit union is larger now. It counted 27,914 members on that report. The NCUA lists 6 branch locations for the credit union.

Record

Routing number
321177434
NCUA charter number
68540
RSSD ID
197384
Headquarters
San Jose, California 95119
Chartered
1968
NCUA insured since
April 23, 1971
Total assets (Q2 2026)
$655.7M
Members (Q2 2026)
27,914
Branch locations
6
Routing record refreshed
October 8, 2026
Check before you send money. Premierone 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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