Once you have logged in, click on the ‘Account’ tab and then select the ‘Contact Info’ sub-tab. You will be required to enter your customer service phone number and email address. You may also enter in your business office phone number and email address where 2Checkout can contact you with questions and concerns. 2Checkout also requires that you enter in your company’s physical and mailing address on this page. Please note that your physical address, mailing address, business office phone number, and business email address will not be released to customers. Customers will be provided with your customer service phone number and email address on request to contact you with questions about your products or services.