You are capable of accessing the dial pad for emergency services and other circumstances... you are NOT able to call from the dial pad to numbers outside of the contact list. (Other than emergency services.)
- Swipe down twice from the top and press the tiny gear to access settings
- Find "Apps & notifications" or "Apps"
- Press "See all X apps" (this step is not always required)
- Find and press "Phone"
- Press "Open"
- Dial pad will be available at the bottom right
Here's a GIF for it! (Pronounced GIF not JIF, take it up with Ethan):