Contact Us

Don’t be shy. We’re just a call, click, or virtual high five away.

Give us a shout

contact center
Phone number
707.546.6000
Hours of availability
Monday-Friday: 8:30am-5:30pm
Saturday: 9am-1pm
Email
info@comfirstcu.org
(For general account information. Please call or contact us through digital banking for specific requests)
Connect with our virtual banker
Not feeling talkative? Get instant answers to many of your questions using digital chat. Just click the "Need Help" button in the bottom right of your screen.

It will appear during the same hours of availability as our Contact Center. 

Loans

Credit Cards

24/7 customer service
Phone Number
(Traditional or Secured cards: starts 445831)
866.820.5876
(Signature Rewards card: starts 445832)
866.820.5992
Fraud
Phone Number
888.918.7313
PIN change
Phone Number
888.886.0083
Rewards Questions
Phone Number
800.637.7728

Debit Cards

Lost/stolen
Phone Number
833.933.1681
International
812.647.9794
Fraud/dispute
Phone Number
866.279.1399
Purchase Verification
International: EN
513.900.3014
International: ES
513.900.3015
Card activation/PIN change
Phone number
833.681.3388
Personal Loans
Personal Loans
24/7 customer service
Phone Number
(Traditional or Secured cards: starts 445831)
866.820.5876
(Signature Rewards card: starts 445832)
866.820.5992
Fraud
Phone Number
888.918.7313
PIN change
Phone Number
888.886.0083
Rewards Questions
Phone Number
800.637.7728
Lost/Stolen
Phone Number
(Traditional or Secured cards: starts 445831)
866.820.5876
(Signature Rewards card: starts 445832)
866.820.5992
Lost/stolen
Phone Number
833.933.1681
International
812.647.9794
Fraud/dispute
Phone Number
866.279.1399
Purchase Verification
International: EN
513.900.3014
International: ES
513.900.3015
Card activation/PIN change
Phone number
833.681.3388

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Frequently Asked Questions

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