How do i contact mfs customer service? 1-866-693-2332, Monday through Friday, between 8:00 am - 8:00 pm in your local time zone. Communicate with MFS through our Mail Center. You may request Due Date Change, Payment Relief and much more. To access the Mail Center, log in then select the customer profile icon in the upper right.How do i sign up for mfs access? Sign up for MFS Access. It only takes a few minutes to create a password and begin accessing your accounts online. To get started, you'll need your Social Security Number/TIN and account number. Questions about your account?How do i communicate with mfs? Communicate with MFS through our Mail Center. You may request Due Date Change, Payment Relief and much more. To access the Mail Center, log in then select the customer profile icon in the upper right. Your new destination will be Mazdafinancialservices.com where your next experience awaits.What is mfs doing for you? Throughout MFS, our goal is to remain steadily present for the community we serve – especially at this time. We are grateful for our many partners who are extending their support and we wish everyone health into the future. Metropolitan Family Service helps people move beyond the limitations of poverty, inequity and social isolation.