How do i contact santander consumer usa customer service? Santander Consumer Usa Customer Service Phone Number (800) 877-4696, Email, Address. Financial Services.How do i get in touch with santander bank? Contact Santander Bank customer service. You can call Santander Bank at (844) 623-2352 toll free number, write an email, fill out a contact form on their website www.santanderbank.com, or write a letter to Santander Bank, 75 State Street, Boston, MA, 02109, Usa.How do i speak to a live person at santander? You can chat with a live representative if you have an online account with Santander. Simply log in to your account to speak with a representative. You can bypass calling the Santander customer service numbers and simply make a payment by mail. Make all checks out to Santander Consumer USA.How do i contact santander consumer finance contract hire? Santander Consumer Finance Contract Hire. (if your agreement number starts with SC or SR followed by 6 digits) Email: [email protected]. Phone: 0330 134 8751. Calls cost exactly the same as calls to regular local or national landlines (those starting with 01 or 02) Our lines are open.