Missing phone icon on IPhone XR

Use App Library to search the Phone app.

See this Apple articles below:

Organize the Home Screen and App Library on your iPhone

https://support.apple.com/en-us/HT211345

Use the App Library and Home Screen to organize your iPad apps

https://support.apple.com/en-us/HT212717

Twirlibeth wrote:

But at least on my phjbd I had to swipe right to left.

What is phjbd ?

You're welcome.