Area Code 203-286 located in NORWALK, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 286 City : NORWALK County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : NORWALK ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 06855 Other Information NPANXX : 203286 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWHNCTGODS0 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 : CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC OCN (Operating Company Number) : 3722 Coverage Area Name : NORWALK Latitude : 41.1003 Longitude : -73.4187 ‹ previous : 203-286 next › : 203-287 Telephone Number List 203-286-0000 ~ 203-286-9999