516 Area Code: Location, Time Zone & Phone Lookup

Area Code 516 Overview

516 is a Long Island area code that covers a large portion of Nassau County and a small slice of western Suffolk County. It was created in 1999 as a split from 631.The 516 area code has seen its share of changes in the past two decades. It was originally split to create 631, which covers most of Suffolk County. 516 was then reduced to its current size in 2001 when it lost coverage of Levittown and the surrounding area to 631.

516 is now surrounded by 631 to the east, 518 to the north, 914 to the west, and 347 to the south. It is one of the most densely populated area codes in the country, and its population is continuing to grow.

If you're looking for a phone number in the 516 area code, you'll want to keep these things in mind. The first two digits (516) identify the code as being from Long Island. The next three digits (xxx) identify the specific zone or region. And the last four digits (xxxx) are the actual number.

There are a few things to watch out for when calling someone in the 516 area code. For starters, there are a lot of cell phones in use, so you may get a mobile caller's ID even if you're calling someone who's listed in the phone book. Also, because 516 is such a densely populated area, there are a lot of overlapping area codes. If you're not sure which area code a number is in, it's best to just use the full 10-digit number.

Area Code 516 History

516 area code is one of the original area codes established in 1947. It covered the entire Long Island region. In 1991, the 516 area code was split, and the Nassau County region was assigned the new 516 area code, while the Suffolk County region continued to use the old 631 area code. Today, the 516 area code covers most of Nassau County, including the towns of Oyster Bay, North Hempstead, Hempstead, and the western portion of the Town of Brookville.