A postal worker is one who works for a post office, such as a mail carrier. In the U.S., postal workers are represented by the National Association of Letter Carriers, AFL-CIO, National Postal Mail Handlers Union - NPMHU, the National Association of Rural Letter Carriers and the American Postal Workers Union, part of the AFL-CIO. In Canada, they are represented by the Canadian Union of Postal Workers and in the United Kingdom by the Communication Workers Union.
The US Postal Service employs around 584,000 people. The bulk of these work as:
The phrase was not very often used until a spate of workplace violence incidents by postal workers in the late 1980s made headlines. The incidents also led to the coining of the phrase "going postal".