The 350 area code is a telephone area code serving the northern San Joaquin Valley (part of the Central Valley), and the Sierra Foothills in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 350 area code) below and access available caller information such as name, address, and more.
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Phone numbers with the 350 area code originate from communities within the northern San Joaquin Valley, which is part of California's Central Valley, and also portions of the Sierra Foothills.
Area code 350 was assigned on November 28, 2022, forming an overlay complex with area code 209. This measure was taken to address the impending central office code exhaustion in the 209 numbering plan area due to growth in telecommunication services. As ten-digit dialing was already in effect for the 209 area code prior to 350's introduction, network preparation was expedited without a permissive dialing period.
Area code 350 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 350 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
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