I just ran into this post office FAQ answering the question: How do I address a letter to Santa Claus or God?

They indicate exactly how you should address the envelope, and then they say the following:

The USPS will see that the letter is received at the proper place.

Unreal.

USPS - Frequently Asked Questions - Answer

posted by Chaddo 8/16/2005 12:01:00 PM