List of Washington area codes may refer to:
This article includes a list of related items that share the same name (or similar names).
List of Washington area codes may refer to:
ISO 3166 is a standard published by the International Organization for Standardization (ISO) that defines codes for the names of countries, dependent territories, special areas of geographical interest, and their principal subdivisions. The standard employs a code of letters and numbers to represent the name of a given geographical area in order to save time and energy when describing the area, as well as to reduce the risk of description errors. The official name of the standard is Codes for the representation of names of countries and their subdivisions.
A ZIP Code is a postal code 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.
An IATA airport code, also known as an IATA location identifier, IATA station code, or simply a location identifier, is a three-character alphanumeric geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA). The characters prominently displayed on baggage tags attached at airport check-in desks are an example of a way these codes are used.
ISO 3166-2:US is the entry for the United States in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions of all countries coded in ISO 3166-1.
The ICAOairport code or location indicator is a four-letter code designating aerodromes around the world. These codes, as defined by the International Civil Aviation Organization and published in ICAO Document 7910: Location Indicators, are used by air traffic control and airline operations such as flight planning. ICAO codes are also used to identify other aviation facilities such as weather stations, international flight service stations or area control centers, whether or not they are located at airports. Flight information regions are also identified by a unique ICAO-code.
Dulles is an unincorporated area in Loudoun County, Virginia, United States, and is part of the Washington metropolitan area. The headquarters of Northrop Grumman Innovation Systems and ODIN Technologies, as well as the former headquarters of MCI Inc. and AOL are located in Dulles. The National Weather Service Baltimore/Washington forecast office and the National Weather Service's Sterling Field Support Center are also both in Dulles.
North American telephone area code 262 covers much of Southeastern Wisconsin, and was created on September 25, 1999, when it was split from area code 414. It covers most of the suburbs of Milwaukee, but not Milwaukee County itself.
Area codes 202 and 771 are telephone area codes in the North American Numbering Plan (NANP) for Washington, D.C.
Area codes 812 and 930 are telephone area codes in the North American Numbering Plan (NANP) for the southern third of the state of Indiana.
The Washington metropolitan area, also sometimes referred to as the National Capital Region, is the metropolitan area centered on Washington, D.C. The metropolitan area includes all of Washington, D.C. and parts of the states of Maryland, Virginia, and West Virginia. It is part of the larger Washington–Baltimore combined statistical area.
Area codes 410, 443, and 667 are telephone area codes serving the eastern half of the U.S. state of Maryland, including the Baltimore metropolitan area and the Eastern Shore. The 410 area code is the original area code, while the 443 and 667 codes are overlay codes. 443 and 667 were primarily used with cellular phones and competitive local exchange carriers such as Comcast or Cavalier Telephone when introduced but have since become universal in their carrier availability.
Area code 334 is a telephone area code in the North American Numbering Plan (NANP) for southeastern Alabama. It was created on January 15, 1995, in an area code split from area code 205. It was the first new area code in Alabama since the announcement of the area code system in 1947. To permit a transition period for the reconfiguration of equipment, such as computers and fax machines, use of area code 205 continued in the 334 region through May 13, 1995.
Area code 360 is the telephone area code for western Washington state outside metropolitan Seattle. It began service on January 15, 1995. The numbering plan area (NPA), which encompasses all of western Washington outside urban King, Pierce, and Snohomish counties and Bainbridge Island, was previously part of area code 206. Area codes 360 and 334 (Alabama), which began service on the same day, were the first two area codes in the North American Numbering Plan with a middle digit other than 0 or 1.
Area code 724 is a Commonwealth of Pennsylvania telephone area code in western and southwestern Pennsylvania, including most of the suburbs of Pittsburgh. It was split from area code 412 on February 1, 1998.
Venetia is an unincorporated community in Peters Township, Washington County, Pennsylvania, United States. It has a post office with the ZIP code 15367, covering most of the area between McMurray and Gastonville. The population of this area was 8,731 at the 2010 census. It is part of the Pittsburgh metropolitan area.