Area Code 609-203 located in TRENTON, MERCER, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 609 NXX (Local Number Prefix) : 203 City : TRENTON County : MERCER State : NJ (New Jersey) NXX Use Type : Wireless NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 34021 LATA (Local Access Transport Area) : 222 Rate Center : TRENTON ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 08611 Other Information NPANXX : 609203 Switch CLLI (Common Language Location Identifier) : MPSHNJ57CM6 MSA CBSA (Core Based Statistical Area) : Trenton-Ewing, NJ MSA CBSA Code (Core Based Statistical Area) : 45940 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ OCN (Operating Company Number) : 6391 Coverage Area Name : TRENTON Latitude : 40.2215 Longitude : -74.7559 ‹ previous : 609-202 next › : 609-203 Telephone Number List 609-203-0000 ~ 609-203-9999