Private rural (roadside-type) mailboxes - some locations DO have parking regulations that prohibit this. If they are official USPS roadside (drop off mail from your car-type) boxes, yes, illegal and...
Yes, many cities have laws concerning the time that one can be parked in a residential area. This is to prevent people from living in them and they take up space.It acatually depends on where you...
Yes. This is a federal offense. Any tampering with or destroying or 'leaving little surprises in' a mailbox is a crime. Only the post office and the owner of the box should be putting anything in it.
I can see where some states may insist the vehicle can not be on the road if it is not a complete car. The bumper is an important part of the car for safety to you and others. I can not comprehend...