Area Code 203-875 located in DARIEN, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 875 City : DARIEN County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : DARIEN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 06820 Other Information NPANXX : 203875 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHSHCT02DS0 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 : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : DARIEN Latitude : 41.0788 Longitude : -73.4713 ‹ previous : 203-874 next › : 203-876 Telephone Number List 203-875-0000 ~ 203-875-9999