Area Code: 408
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• About area code 408

The North American dialing code 408 was created in 1959 after splitting from the original 415 area code that provided service for much of Central California. It was split again on July 11, 1998 to create the 831 area code which covers the surrounding Santa Cruz, San Benito, and Monterey counties. Original dialing in the 408 coverage area in the 1940s was done manually, with districts of the city used as “numbers”. It was not until the 408 area code was created that numeric, standard dialing was adopted.

• 408 Counties

Primarily located within Santa Clara County, small parts of the 408 area code also provide service for Southern Alameda County.

• 408 Cities

Cities provided service by the 408 area code include Alviso, Campbell, Coyote, Cupertino, Gilroy, Holy City, Los Gatos, Milipatas, Monte Sereno, Morgan Hill, Mount Hamilton, New Almaden, Redwood Estates, San Jose, San Martin, Santa Clara, Saratoga, and Sunny Vale. In addition the California Water Service, IBM, and Onizuka Air Force Base use the 408 area code.

1. Additional information on 408 area code:

• Area code 408 - Wikipedia, the free encyclopedia

• Google Maps for 408
  

Full list of 408 Countries & Regions

 Full list of 408 Countries & Regions

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