I lost my iPhone XR. In my house. Somewhere it is offline? How can I bin point its exact location if I can at all please help

Vegetaramsey wrote:

It's dead and offline

Then there is no means to remotely locate it, other than searching for it with hands and eyes.

Maybe you can ask someone to ring your number,

and let the ringtone guide you to the iPhone.

If you have “Hey Siri” enabled on your iPhone, call out “Hey Siri, find my iPhone”.