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The plan divided most of North America into eighty-six numbering plan areas (NPAs). Each NPA was assigned a unique three-digit code, typically termed NPA code or simply area code. These codes were first used in Operator Toll Dialing by long-distance operators in establishing calls via trunks between toll offices. The goal of automatic service ...
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.
Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, but also sometimes referred to as country dial-in codes, or historically international subscriber dialing (ISD) codes in the U.K., are telephone number dialing prefixes for reaching subscribers in foreign countries or areas via international telecommunication networks.
After reunification, East Germany was merged into the existing (West) German numbering plan. Since all areas except 03 were already used, all of former East Germany needed to be merged into 03, causing numbers and area codes in the 03 area to be longer than those in the rest of Germany: Many area codes in the 03 area are 5-digit while the ...
588: UScellular: United States Cellular Corporation: Unknown: Unknown [87] 311: 589: UScellular: United States Cellular Corporation: Unknown: Unknown [87] 311: 590: Verizon: Verizon Wireless: Unknown: Unknown: Former California RSA No3 Ltd Partnership d/b/a Golden State Cellular, acquired by Verizon in 2014 [129] [14] [186] 311: 600: Limitless ...
Area codes in New York state; area codes 518 and 838 highlighted in light green. Area codes 518 and 838 are telephone area codes in the North American Numbering Plan for eastern Upstate New York in the United States. 518 is one of the 86 original North American area codes created in 1947.
The Corridor Identification and Development Program, abbreviated as the Corridor ID Program, is a comprehensive planning program for inter-city passenger rail projects in the United States administered by the Federal Railroad Administration (FRA) under the 2021 Infrastructure Investment and Jobs Act (IIJA). Each route accepted into the program ...
The Unit Identification Code (UIC) is a six character alphanumeric code that uniquely identifies each United States Department of Defense entity. The UIC is often used on various paperwork to assign a soldier to a specific company in which they fall under.