Area Code 203-820 located in BRIDGEPORT, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 820 City : BRIDGEPORT County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : NORWALK ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 06604 Other Information NPANXX : 203820 County Population : 0 Switch CLLI (Common Language Location Identifier) : WLFRCTXBCM0 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : NORWALK Latitude : 41.1003 Longitude : -73.4187 ‹ previous : 203-819 next › : 203-821 Telephone Number List 203-820-0000 ~ 203-820-9999