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Map of California numbering plan areas (blue) and border states. Area code 650 is shown in red.

Area code 650 is a California telephone area code in the San Francisco Bay Area that was split from area code 415 on August 2, 1997. It includes most of San Mateo County (except the northernmost portion), part of San Francisco, and the northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos.

Contents

Cities in the 650 area codeEdit

External linksEdit