Area Code 203-448 located in DANBURY, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 448 City : DANBURY 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 : DANBURY ZIP Code Count : 2 ZIP Code Frequency : 67 ZIP Code : 06810 Other Information NPANXX : 203448 County Population : 0 Switch CLLI (Common Language Location Identifier) : SMFRCTDSDS0 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 : BROOKS FIBER COMMUNICATIONS OF CONNECTICUT INC-CT OCN (Operating Company Number) : 7230 Coverage Area Name : DANBURY Latitude : 41.3956 Longitude : -73.4537 ‹ previous : 203-448 next › : 203-449 Telephone Number List 203-448-0000 ~ 203-448-9999