<P> Area code 626 is a California telephone area code that was split from area code 818 on June 14 , 1997 . It covers most of the San Gabriel Valley and nearby areas in the northeastern portion of Los Angeles County , California , U.S. , including Arcadia , Monrovia , El Monte , most of Pasadena and West Covina . Culturally , the 626 area code is also associated with its Hispanic Chinese and Taiwanese - American presence . </P>
where is 626 area code located in california
most of the San Gabriel Valley and nearby areas in the northeastern portion of Los Angeles County , California , U.S. , including Arcadia , Monrovia , El Monte , most of Pasadena and West Covina