Area Code 201-331 located in MAHWAH, BERGEN, NJ, more detail is as below. Place NPA (Numbering Plan Area) : 201 NXX (Local Number Prefix) : 331 City : MAHWAH County : BERGEN State : NJ (New Jersey) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 34003 LATA (Local Access Transport Area) : 224 Rate Center : CRAGMERE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 07430 Other Information NPANXX : 201331 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 : MAHWAH Latitude : 41.0939 Longitude : -74.1431 ‹ previous : 201-331 next › : 201-332 Telephone Number List 201-331-0000 ~ 201-331-9999