Area Code 201-604 located in JERSEY CITY, HUDSON, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 201 NXX (Local Number Prefix) : 604 City : JERSEY CITY County : HUDSON State : NJ (New Jersey) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 34017 LATA (Local Access Transport Area) : 224 Rate Center : JERSEYCITY ZIP Code Count : 3 ZIP Code Frequency : 75 ZIP Code : 07306 Other Information NPANXX : 201604 County Population : 0 Switch CLLI (Common Language Location Identifier) : SCCSNJCJDS0 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 : ALLEGIANCE TELECOM OF NEW JERSEY, INC. OCN (Operating Company Number) : 4145 Coverage Area Name : NEWARK Latitude : 40.7321 Longitude : -74.1787 ‹ previous : 201-604 next › : 201-605 Telephone Number List 201-604-0000 ~ 201-604-9999