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Toll-free numbers are basically service lines used by businesses where the person receiving the call faces the bill instead of the caller. 909 Area Code Area code 909 is in California covering San Bernardino, along with Industry, Rowland Heights and 35 towns and cities. Originally on that same date, the area retaining the 909. Western Riverside County was split off from 909 into area code 951 on July 17, 2004. The 909 area code was split from area code 714 on November 14, 1992. Other toll-free numbers similar to 855 are 800, 833, 844, 866, 877, and 888. Area code 909 is a California telephone area code that covers far eastern Los Angeles County and southwestern San Bernardino County. Major cities or places in California within area code 840 include:Īrea code 840 serves a portion of eastern Los Angles County, southwest San Bernardino County, and a few communities in Riverside County including the larger cities and communities of Chino, Chino Hills, Claremont, Colton, Diamond Bar, Fontana, Highland, La Verne, Montclair, Ontario, Pomona, Rancho Cucamonga, Redlands, Rialto, San Bernardino, San Dimas, Upland, and Yucaipa in addition to many smaller communities within the area code 840 service area. Area code 855 is one of the toll-free numbers that can be used within the United States and Canada. Los Angeles County, Riverside County, and San Bernardino County. Area code 909 is a California telephone area code that covers far eastern Los Angeles County and southwestern San Bernardino County. Ten digit dialing (area code + seven digit number) is necessary in the 840/909 overlay because different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.Ĭounties in California within area code 840 include: the United States of America is divided into regions known as Area Codes. Area code 840 was officially put into service as an overlay of area code 909. US Area Codes By State Location of all Area Codes in the US.