Area Code 908-228 located in WESTFIELD, UNION, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 908 NXX (Local Number Prefix) : 228 City : WESTFIELD County : UNION State : NJ (New Jersey) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 34039 LATA (Local Access Transport Area) : 224 Rate Center : WESTFIELD ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 07090 Other Information NPANXX : 908228 Switch CLLI (Common Language Location Identifier) : NWRKNJ02DS4 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 : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : NEWARK Latitude : 40.7357 Longitude : -74.1750 ‹ previous : 908-227 next › : 908-228 Telephone Number List 908-228-0000 ~ 908-228-9999