Area codes 516 and 363 are telephone overlay area codes in the North American Numbering Plan (NANP) for the U.S. state of New York. The numbering plan area (NPA) comprises Nassau County on Long Island. Area code 516 was created in 1951, while area code 363 was added to the numbering plan area in 2023.

Where is area code 363? Area code 363 is located in southeastern New York and covers Hempstead, Levittown, and Freeport. It is an overlay for area code 516 and serves the same area.

2025年3月1日 · 363 Area Code located in New York, including 22 cities, 3 counties, 1 time zone, map, Census demographics, and 9 active prefixes.

The New York State Public Service Commission (Commission) announced that residential, business and wireless customers within the existing 516 Nassau County area code region should begin to prepare for the introduction of the new 363 area code, beginning the …

Important facts that consumers and businesses need to know about the 363-area code overlay are: • Current telephone numbers, including current area code, will not change; • All calls within and between 516/363 must be dialed with 10 digits; • Consumers will continue to dial 1+ area code + telephone number for all calls to other area

2023年1月18日 · The key facts for consumers to know about the upcoming NY 516/363 area code overlay are: Your current telephone number, including current area code, will not change. If you seek new phone service on and after January 20, 2023, you may be assigned a phone number with the 363 area code.

2022年12月2日 · Area code 363 will start being assigned to new phone numbers on Jan. 20, 2023. 516 has been Nassau's only area code for more than 70 years.

2022年1月24日 · The New York State Public Service Commission has announced that business and wireless customers within the existing 516 Nassau County area code region should begin to prepare for the introduction of the new 363 area code.

Area code 363 serves Nassau County in Long Island including the larger cities and towns of Glen Cove, Freeport, Levittown, Hempstead, Long Beach, and Oyster Bay in addition to many smaller villages and hamlets within Nassau County.

363 area code is the telephone area code of the North American Numbering Plan (NANP) for Nassau County in western Long Island, New York. This area code has been serving since January 20, 2023.