Can I call my iPhone from my iPad to locate it?

You can open Find My on your iPad and ping your iPhone to find it under the device list. Calling is an option, but I'd recommend using Find My.

That's what find-my is for.

Why don't you just use Find My?

https://icloud.com/find

Can’t find my iPhone cel in my house. I have checked everywhere but still nothing.

I just moved into a new apartment. I can find my iPhone. Can I call it from my I pad?