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Area code 650 is a telephone area code in the North American Numbering Plan (NANP) for the San Francisco Bay Area in the U.S. state of California.
Area code 650 is a telephone area code in the North American Numbering Plan (NANP) for the San Francisco Bay Area in the U.S. state of California. It was split from area code 415 on August 2, 1997, and includes most of San Mateo County, part of San Francisco, and the northwestern portion of Santa Clara County including Palo Alto, Mountain View ...
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. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
CodeTerritory Or UseDate200not in use; available for non-geographic ...easily recognizable code (ERC)New Jersey ( Bergen County and Hudson ...19471947Southwestern Connecticut ( Bridgeport, ...1947Die USA, Kanada und mehrere Länder in der Karibik sind im NANP zusammengefasst und haben die gemeinsame Ländervorwahl +1. Nummern innerhalb des NANP beginnen mit einer dreistelligen Regionalvorwahl ( area code, numbering plan area, NPA ). Große Länder sind in mehrere NPAs aufgeteilt.
Area codes in Germany ( German: Vorwahl) have two to five digits. In addition, the prefix digit 0 must be dialed when calling from within Germany, and must be omitted when calling from abroad. When calling via fixed networks within the same area, the area code is not required.
Nordamerikanische Vorwahlen (Numbering Plan Area [NPA], area code) sind immer gleich lang und bestehen aus drei Ziffern. Große Städte erhielten ursprünglich niedrigere Ziffern und somit bei Impulswahl kürzere Vorwahlen.
The United States received seventy-seven area codes, and Canada nine. The initial system of numbering plan areas and area codes was expanded rapidly during the ensuing decades, and established the North American Numbering Plan (NANP).
