By default, incoming calls will display your Grasshopper phone number as the Caller ID. You can change this for any of the forwarding numbers set up on your account. 

  1. Log in to Extensions at
  2. Click Edit next to the desired Extension. 
  3. Below your forwarding numbers, click Options.
  4. Select the drop-down menu for “When a call is forwarded to me, show the caller id of” and select "the caller."
  5. Click Save.