[mothered]

But how it works when the delivery guy needs to drop off hundreds of packages? ( if the postal code is the same, the adress too ( only number of the street is changed )?

Major carrier companies deliver anywhere between 110-150 packages per day, so they're well equipped to handle their schedule delivery run.

Unless the driver Is brain-dead or Is still living In the 60s, they operate on a scanning system and do not deliver consignments based on the Information on the shipping label.