Area Code 203-939 located in NORWALK, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 939 City : NORWALK County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 6/25/2008 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : NORWALK ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 06855 Other Information NPANXX : 203939 County Population : 0 MSA CBSA (Core Based Statistical Area) : Bridgeport-Stamford-Norwalk, CT MSA CBSA Code (Core Based Statistical Area) : 14860 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CABLEVISION LIGHTPATH, INC. - CT OCN (Operating Company Number) : 4950 Coverage Area Name : NORWALK Latitude : 41.1003 Longitude : -73.4187 ‹ previous : 203-938 next › : 203-940 Telephone Number List 203-939-0000 ~ 203-939-9999