Area Code 516-665 located in OCEANSIDE, NASSAU, NY, more detail is as below. Place NPA (Numbering Plan Area) : 516 NXX (Local Number Prefix) : 665 City : OCEANSIDE County : NASSAU State : NY (New York) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 36059 LATA (Local Access Transport Area) : 132 Rate Center : NASSAUZN06 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 11572 Other Information NPANXX : 516665 County Population : 0 Switch CLLI (Common Language Location Identifier) : HCVLNYAHDS4 MSA CBSA (Core Based Statistical Area) : New York-Northern New Jersey-Long Island, NY-NJ-PA MSA CBSA Code (Core Based Statistical Area) : 35620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CABLEVISION LIGHTPATH, INC. - NY OCN (Operating Company Number) : 7126 Coverage Area Name : BALDWIN Latitude : 40.6389 Longitude : -73.6129 ‹ previous : 516-665 next › : 516-666 Telephone Number List 516-665-0000 ~ 516-665-9999