Nassau County's new area code debuts Friday, adding 363 to 516. It's an effort to provide "numbering relief," says the New York State Public Service Commission, as the availability of 516-prefixed ...

For more than 70 years, 516 has been the only area code assigned to Nassau County. Soon, callers will have a new trio of numbers to learn: 363. Phone service carriers can begin assigning 363 to the ...

The New York State Department of Public Service announced that customers in the 516-area code region requesting new mobile or landline telephone service, an additional line, or a move in the location ...

NEW YORK - A change is coming to phone calls to Nassau County, Long Island. 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 ...