The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the U.S., including its insular areas and associated states. It is one of the few government agencies explicitly authorized by the Constitution of the United States. The USPS, as of 2021, has 516,636 career employees and 136,531 non-career employees.
The mail or post is a system for physically transporting postcards, letters, and parcels. A postal service can be private or public, though many governments place restrictions on private systems. Since the mid-19th century, national postal systems have generally been established as a government monopoly, with a fee on the article prepaid. Proof of payment is usually in the form of an adhesive postage stamp, but a postage meter is also used for bulk mailing.
A postal code is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail.
A ZIP Code is a system of postal codes used by the United States Postal Service (USPS). Introduced on July 1, 1963, the basic format consisted of five digits. In 1983, an extended ZIP+4 code was introduced; it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.
Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes. They are alphanumeric and were adopted nationally between 11 October 1959 and 1974, having been devised by the General Post Office. A full postcode is known as a "postcode unit" and designates an area with several addresses or a single major delivery point.
Canada Post Corporation, trading as Canada Post, is a Crown corporation that functions as the primary postal operator in Canada.
Package delivery or parcel delivery is the delivery of shipping containers, parcels, or high value mail as single shipments. The service is provided by most postal systems, express mail, private courier companies, and less than truckload shipping carriers.
A Canadian postal code is a six-character string that forms part of a postal address in Canada. Like British, Irish and Dutch postcodes, Canada's postal codes are alphanumeric. They are in the format A1A 1A1, where A is a letter and 1 is a digit, with a space separating the third and fourth characters. As of October 2019, there were 876,445 postal codes using Forward Sortation Areas from A0A in Newfoundland to Y1A in Yukon.
A Postal Index Number refers to a six-digit code in the Indian postal code system used by India Post. On 15 August 2022, the PIN system celebrated its 50th anniversary.
Postal codes were introduced in South Africa on 8 October 1973, with the introduction of automated sorting.
A post office box is a uniquely addressable lockable box located on the premises of a post office.
A letter box, letterbox, letter plate, letter hole, mail slot or mailbox is a receptacle for receiving incoming mail at a private residence or business. For outgoing mail, Post boxes are often used for depositing the mail for collection, although some letter boxes are also capable of holding outgoing mail for a carrier to pick up. Letterboxes or mailboxes use the following primary designs:
An address is a collection of information, presented in a mostly fixed format, used to give the location of a building, apartment, or other structure or a plot of land, generally using political boundaries and street names as references, along with other identifiers such as house or apartment numbers and organization name. Some addresses also contain special codes, such as a postal code, to make identification easier and aid in the routing of mail.
India Post is a government-operated postal system in India, and is the trade name of the Department of Post under the Ministry of Communications. Generally known as the Post Office, it is the most widely distributed postal system in the world. Warren Hastings had taken initiative under East India Company to start the Postal Service in the country in 1766. It was initially established under the name "Company Mail". It was later modified into a service under the Crown in 1854 by Lord Dalhousie. Dalhousie introduced uniform postage rates and helped to pass the India Post Office Act 1854 which significantly improved upon 1837 Post Office act which had introduced regular post offices in India. It created the position Director General of Post for the whole country.
Singapore Post Limited, commonly abbreviated as SingPost, is an associate company of Singtel and Singapore's designated Public Postal Licensee which provides domestic and international postal services.
Rural letter carriers are United States Postal Service and Canada Post employees who deliver mail in what are traditionally considered rural and suburban areas of the United States and Canada. Before Rural Free Delivery (RFD), rural Americans and Canadians were required to go to a post office to get their mail.
La Poste is a postal service company in France, operating in Metropolitan France, the five French overseas departments and regions and the overseas collectivity of Saint Pierre and Miquelon. Under bilateral agreements, La Poste also has responsibility for mail services in Monaco through La Poste Monaco and in Andorra alongside the Spanish company Correos.
Postcodes in Australia are used to more efficiently sort and route mail within the Australian postal system. Postcodes in Australia have four digits and are placed at the end of the Australian address, before the country. Postcodes were introduced in Australia in 1967 by the Postmaster-General's Department and are now managed by Australia Post, Australia's national postal service. Postcodes are published in booklets available from post offices or online from the Australia Post website.
The National Rural Letter Carriers' Association (NRLCA) is an American labor union that represents the rural letter carriers of the United States Postal Service (USPS). The NRLCA negotiates all labor agreements for the rural carrier craft with the USPS, including salaries, and represents members of the rural carrier craft in the grievance procedure. The NRLCA's stated goal is to "improve the methods used by rural letter carriers, to benefit their conditions of labor with the United States Postal Service, and to promote a fraternal spirit among its members."
