There are two ways to schedule your 1583 call with the team. You can click the chat bubble in the bottom right of your screen when logged into your account, then click the "Find a Time" link under USPS Form 1583 Appointment. This link is right underneath the "Start a conversation" button.
Alternatively, you can schedule directly with this link: https://calendly.com/tmb-4/usps-form-1583