Once you purchase the number, you can upload the address proof from the dashboard itself. Below are the steps to follow:

• Login to the CallHippo web(web.callhippo.com)

• Navigate to Numbers section from left panel. You will see an icon in red just beside the number if the address verification is pending. 

• Click on the Gear icon of the Number whose address proof you want to upload.

• Go to Departments > Click on Upload address proof.