Am I able to come pick up my package if I wasn’t home when it was being delivered

The open up the office from 7pm - 9pm. You do have to call them so that they don't reload your package into another truck. Just ask them to hold it for you in the office. Once you get there, it may take a minute to get your package only because there is no way of knowing when the truck that has your package will arrive.

Yes, after calling them.

Make sure the truck is back first.

I would call them