Private Mail Bag

From Wikipedia, the free encyclopedia

A Private Mail Bag, Locked Bag or caller service is a term for a special form of postal delivery in some countries, usually a government department or large private company, which receive large volumes of mail.

Like PO Box addresses, Private Mail Bag addresses omit the name of the building and street, and include only the number allocated to the user.

Ford Motor Company of Australia Limited
Private Mail Bag 6
Campbellfield Vic 3061
AUSTRALIA

In some cases, a Private Mail Bag may not have a number:

University of Sierra Leone
Private Mail Bag
Freetown
SIERRA LEONE

It differs from PO Box delivery in that whereas the holder has to go to the Post Office in order to collect mail, the mail sent to a Private Bag is dispatched to the holder by a mail contractor.

In Australia and Singapore, a Locked Bag is similar to a Private Mail Bag, but the holder must collect the mail at the Post Office, like a PO Box. In the United States, this service is called caller service, although mail to a caller number is typically addressed as though the caller number were a physical PO box, as seen in the following example:

Commissioner for Patents
PO Box 1450
Alexandria VA 22313-1450

In other countries, particularly South Africa and New Zealand, the term Private Bag is also used.

University of Auckland
Private Bag 92019
AUCKLAND 1142

In South Africa, the Private Bag number may also contain letters.

Department of Home Affairs
Private Bag X114
PRETORIA 0001

Private Mail Bag addresses are often used in countries in Africa where there may be no street delivery service. In Europe and North America, where street delivery is more commonplace, large users may be allocated their own postal codes, and consequently need only use their physical address in correspondence.

Many major newspapers in large American Cities have their own postal codes, and as a result large newspapers can be sent mail without the street address of the newspaper. For example, the Washington Post has the unique ZIP code 20071.

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