Area Code 732-310 located in MIDDLESEX, MIDDLESEX, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 732 NXX (Local Number Prefix) : 310 City : MIDDLESEX County : MIDDLESEX State : NJ (New Jersey) NXX Use Type : Wireless NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 34023 LATA (Local Access Transport Area) : 224 Rate Center : DUNELLEN ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 08846 Other Information NPANXX : 732310 Switch CLLI (Common Language Location Identifier) : RCPKNJ02GT1 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : DUNELLEN Latitude : 40.5903 Longitude : -74.4625 ‹ previous : 732-309 next › : 732-310 Telephone Number List 732-310-0000 ~ 732-310-9999