To add a business name: The account holder will be required to upgrade to a business plan within their account, under "Mailbox Settings".  The customer will then be prompted to add the business name and pay the difference in price when upgrading. 

To change the business name: The account holder can contact customer support directly. 

Note: 

• A new form 1583 form is not required when the business name is changed or added. If you would like a new form 1583 for your records, please notify the customer.  
• Only one business name is allowed, per business account. USPS allows only 1 business name on each form 1583. The customer will be required to open a separate mailbox plan for each additional business name, DBA or LLC. 
• All contact information is easily accessible when the customers is logged into their account. Customer support can be reached via chat, email or phone.