Area Code 203-300 located in NEW FAIRFIELD, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 300 City : NEW FAIRFIELD County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 2002-02-13 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : DANBURY ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 06812 Other Information NPANXX : 203300 County Population : 0 Switch CLLI (Common Language Location Identifier) : SMFRC0164Z 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 : OMNIPOINT COMMUNICATIONS, INC. - CT OCN (Operating Company Number) : 6624 Coverage Area Name : DANBURY Latitude : 41.3956 Longitude : -73.4537 ‹ previous : 203-299 next › : 203-300 Telephone Number List 203-300-0000 ~ 203-300-9999