First American Bank First American Bank, we’re small enough to provide the personal attention that makes you comfortable coming to us for a multi-thousand-dollar auto loan. As the largest privately held bank in Illinois, we’re big enough that you can also get multi-million-dollar financing if your company exports auto parts – or anything else.   First American Bank Service Telephone Customer Service Phone Number: (847) 952-3700 Online Banking Login HOW TO LOG IN 1. Visit the bank’s website https://www.firstambank.com/.  …