Area Code 908-390 located in WESTFIELD, UNION, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 908 NXX (Local Number Prefix) : 390 City : WESTFIELD County : UNION State : NJ (New Jersey) NXX Use Type : Wireless 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 : 50 ZIP Code : 07090 Other Information NPANXX : 908390 Switch CLLI (Common Language Location Identifier) : FRHDNJ01CM8 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 : AQUIS COMMUNICATIONS, INC. OCN (Operating Company Number) : 6919 Coverage Area Name : WESTFIELD Latitude : 40.6490 Longitude : -74.3443 ‹ previous : 908-390 next › : 908-391 Telephone Number List 908-390-0000 ~ 908-390-9999