Area Code 203-232 located in GREENWICH, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 232 City : GREENWICH County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : WATERBURY ZIP Code Count : 2 ZIP Code Frequency : 67 ZIP Code : 06831 Other Information NPANXX : 203232 County Population : 0 Switch CLLI (Common Language Location Identifier) : WLFRCTAICM3 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT OCN (Operating Company Number) : 6388 Coverage Area Name : WATERBURY Latitude : 41.5522 Longitude : -73.0443 ‹ previous : 203-232 next › : 203-233 Telephone Number List 203-232-0000 ~ 203-232-9999