To open a USPS parcel locker you take the key that was left inside your mailbox and then look on the key chain for the number of the parcel locker.
Then go to the parcel locker with the right number and insert the key and open the parcel locker and the key will remain in the parcel locker lock which will then be retrieved by the postal employee.
The size of a parcel locker varies although a commercial sized parcel locker is 79 inches tall and 39 ½ inches wide, and the depth is 24 inches. .
Although the USPS parcel lockers are smaller for smaller packages and are usually about the size of a small microwave.
Some parcel lockers are smaller and some also have different compartment sizes.
Instead of leaving a package in your lobby or outside where anyone could take it, the mail carrier is able to deliver your packages to a secure, lockable locker.
This lock can only be opened by the corresponding parcel locker key.
The key will be placed in your secure, locking mailbox by the postal carrier.
The parcel locker is used for items that are too large to fit in an individual box (compartment) within the Cluster Box.
A key will be left in the mailbox to be used as a parcel locker key.
This key has a tag that indicates the parcel locker that contains the item.
USPS puts packages in parcel lockers when the package is too large to fit into your mailbox.
By using a parcel locker, USPS' delivery personnel can securely deliver your package without leaving it outside or in an unsecured location.