363 Area Code
The 363 area code is a telephone area code serving Nassau County on Long Island, New York.
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City Data
The 363 area code is a telephone area code serving Nassau County on Long Island, New York.
Federal Data
State Data
County Data
City Data
Area code 363 covers Nassau County on Long Island, New York.
No major cities are explicitly listed.
No other cities and towns are explicitly listed.
Area code 363 is an overlay to area code 516. This means that both area codes serve the same geographic region, Nassau County. Area code 516 was created in 1951, and area code 363 was added in 2023. Ten-digit dialing is required in this area.
Area code 363 is a general purpose code which was placed in service on January 20, 2023.
Our New York phone number lookup service will analyze the three-digit prefix of any 363 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, New York 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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