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Credit union · NCUA insured

F3 Credit Union Credit Card Rates

Top Carrot, Carrot Score 89Top Carrot

F3 Credit Union credit cards start at 8.99% APR on purchases, after any introductory rate. Rates checked October 16, 2026.

How F3 Credit Union’s credit card rates compare

Compared with banks and credit unions near San Francisco, CA, where F3 Credit Union has the most branches. Ongoing purchase APR, lowest first.

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F3 Credit Union credit card score

88

Credit card score

Higher than 82% of U.S. banks and credit unions

By rate
  • Purchase APRPurchase APR8.99%

Each track runs from the highest to the lowest rate among U.S. banks and credit unions; the dot is this rate.

How the score works →

Where F3 Credit Union ranks

By credit card score, in each area where it has branches

Current credit card rates

Rates from the credit union’s website. Most are “as low as” rates for the best credit; yours depends on your credit.

Who can join F3 Credit Union

This may be incomplete or out of date, so check with the credit union before you apply.

Where you live or work

  • Persons who live, work, worship, or attend school in Santa Clara County are eligible to join.

Employers and groups

  • Employees, contract employees, and legal counsel of the credit union are eligible to join.

Military, government and schools

  • Civil Service employees in Santa Clara, San Mateo, Santa Cruz, Monterey, San Benito, and San Francisco counties are eligible to join.
  • Employees, retirees, and contract employees of the U.S. Postal Service in 13 Northern California counties are eligible to join.

Cost to join

  • A $1 savings deposit is required upon joining.
  • There is a $1 membership fee to join.

Membership information collected October 5, 2026.

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