Area Code 203-551 located in BRIDGEPORT, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 551 City : BRIDGEPORT County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : BRIDGEPORT ZIP Code Count : 4 ZIP Code Frequency : 57 ZIP Code : 06610 Other Information NPANXX : 203551 County Population : 0 Switch CLLI (Common Language Location Identifier) : HRFRCTCRDS0 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 : TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT OCN (Operating Company Number) : 7143 Coverage Area Name : BRIDGEPORT Latitude : 41.1777 Longitude : -73.1933 ‹ previous : 203-551 next › : 203-552 Telephone Number List 203-551-0000 ~ 203-551-9999