View customer reviews of 1st Financial Bank USA. Leave a review and share your experience with the BBB and 1st Financial Bank USA. Alltru Credit Union – formerly 1st Financial Federal Credit Union – is St. Louis' better way to bank. Join us, and put your goals within reach. Discover the perks of working with a regional bank, from checking & savings accounts to home mortgages & equity loans. We are ready to help.

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Many of our customers voice their satisfaction and remain with us for many years. In addition, it helps me be wary about the difference between credit and debit cards, of which I have both of, and when it would be best to choose one over the other in some situations. Payment Flexibility You can pay your balance in full each month, or pay the minimum payment due, or any amount in between — you choose. Where do I find my account number from 1st Financial Bank? We want to be your bank of choice to support you along the way. Read the articles below about managing your money wisely and saving for your future. Customer Service Speak with a representative during business hours to get help with your account. I love that I am building my credit at a young age. Your 1st financial does not support the video tag. You can also call customer service at to learn how you can qualify for a credit limit increase. After making my payments on time the first few months 1st financial credit was doubled!