location of 516 area code
AreaCode.org is your one-stop site for area code lookup, area code search, and area code locator. The 516 area code services Long Islandâs Nassau County in New York. Nassau County is located to the east of the borough of Queens, and west of Suffolk County.Nassau and Suffolk counties used to share this area code, until 1999, when Suffolk received the 631 area code.t AreaCode.org, you'll find helpful information on the 516 area code, including 516 area code location. Other phone area codes may be found using AreaCode.org's area code locator. Use the search function for area code look up.