Area codes 442 and 760

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1	In 1947, when area codes were introduced to California, the locality now served by the 408 area code was part of the 415 area code, one of the first three area codes Add to Reading List Source URL: www.cpuc.ca.gov Language: English - Date: 2014-09-12 01:32:48 Number pooling Ten-digit dialing Telephone numbering plan California Public Utilities Commission Communication Information Area codes 801 and 385 Area codes 442 and 760 North American Numbering Plan Telephone numbers Overlay plan