Area Code 516-228 located in UNIONDALE, NASSAU, NY, more detail is as below. Place NPA (Numbering Plan Area) : 516 NXX (Local Number Prefix) : 228 City : UNIONDALE County : NASSAU State : NY (New York) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 36059 LATA (Local Access Transport Area) : 132 Rate Center : NASSAUZN05 ZIP Code Count : 35 ZIP Code Frequency : 11 ZIP Code : 11553 Other Information NPANXX : 516228 County Population : 0 Switch CLLI (Common Language Location Identifier) : GRCYNYGCDS0 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 : VERIZON NEW YORK, INC. OCN (Operating Company Number) : 9104 Coverage Area Name : GARDEN CITY Latitude : 40.7408 Longitude : -73.6011 ‹ previous : 516-228 next › : 516-228 Telephone Number List 516-228-0000 ~ 516-228-9999