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 ...

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 ...

The county's 363 area code went into service today. The need for it comes as numbers with the 516 area code are expected to run out in the next year. If you have a 516 number now - you can keep it.

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