Area Code 203-763 located in STAMFORD, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 763 City : STAMFORD County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : FAIRFIELD ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 06904 Other Information NPANXX : 203763 County Population : 0 Switch CLLI (Common Language Location Identifier) : SMFRCTPUDS0 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 : LEVEL 3 COMMUNICATIONS, LLC - CT OCN (Operating Company Number) : 4800 Coverage Area Name : FAIRFIELD Latitude : 41.1364 Longitude : -73.2513 ‹ previous : 203-762 next › : 203-764 Telephone Number List 203-763-0000 ~ 203-763-9999