Look up any phone number starting with 341 to identify the owner name, address, spam reports, and more. The 341 area code is a telephone area code serving much of the East Bay in California.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Area code 341 covers the western East Bay region of California. Specifically, it includes portions of Contra Costa and Alameda Counties.
Area code 341 is an overlay to area code 510 . This means that both area codes serve the same geographic region. Area code 510 was established in 1991, and area code 341 was introduced later. Ten-digit dialing is mandatory in this area.
Area code 341 is a general purpose code which was placed in service on July 22, 2019.
Our California phone number lookup for the 341 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
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Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
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