4968 for personal assistance. Bank of the West Auto Loan Payoff Address: Standard Mailing PO Box 4024 Alameda CA 94501.Contact Bank of the West for complete details. 1st United is a local credit union committed to improving the finance health of the communities we serve across the East Bay and Tri-Valley areas. On June 28, 2016, the Alameda County Board of Supervisors approved the placement of. Installment Loans, Auto Loan Providers. Closed.