If you search to know the solutions of How do I contact Facebook marketplace to reset my password, then you have to read all the terms & conditions which is described below. Actually, to reset your account password, you have to log in to your account and then navigate the profile section. Next, you are asked to go to the Password section, and, from there you can reset your password. Here, you must enter the last password to identify your identity. https://www.numbersfor-support.com/blog/can-you-filter-out-dealerships-on-facebook-marketplace