Area Code 408

Area Code 408 is in California

Other California Area Codes
209, 213, 279, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951

California Area Code Overlays
(310 and 424) - (415 and 628)
(408 and 669) - (714 and 657)
(760 and 442) - (818 and 747)

Area Code 408 History:

01/01/1959
Area code 408 was put into service. Area code 408 was created from a split of area code 415. In 1998 area code 408 was split to form area code 831.

On 11/20/2012 area code 669 was put into service as an overlay of area code 408. Ten digit dialing (area code + seven digit number) is necessary in the 408/669 overlay because two different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.

Counties in California within area code 408 include:

Santa Clara County and Santa Cruz County.

Major cities or places in California within area code 408 include:

Area codes 408 and 669 serve most of Santa Clara County including the larger cities and communities of Campbell, Gilroy, Los Gatos, Milpitas, Morgan Hill, San Jose, Santa Clara, Saratoga and Sunnyvale in addition to many smaller communities.





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