Amazon’s seller support team assists sellers from their registration process to becoming approved sellers. However, it is not limited to this.
While some sellers sell their items but choose Amazon warehouses for their goods to get packed and delivered to their respective customers, others prefer selling and shipping their products to customers on their own.
While executing these tasks, sellers might face issues and seller support help them in all ways.
In fact, even to an extent that if a seller has an issue with a customer, the team helps him or her to connect.
Article source: https://www.sellerapp.com/blog/amazon-seller-support-contact-number/