Area Code 201-591 located in NEWARK, ESSEX, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 201 NXX (Local Number Prefix) : 591 City : NEWARK County : ESSEX State : NJ (New Jersey) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 34013 LATA (Local Access Transport Area) : 224 Rate Center : TEANECK ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 07103 Other Information NPANXX : 201591 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWRKNJMDDS0 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 : XO NEW JERSEY, INC. OCN (Operating Company Number) : 4123 Coverage Area Name : NEWARK Latitude : 40.7357 Longitude : -74.1750 ‹ previous : 201-591 next › : 201-592 Telephone Number List 201-591-0000 ~ 201-591-9999