Area Code 475-277 located in DANBURY, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 475 NXX (Local Number Prefix) : 277 City : DANBURY County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 12/20/2012 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : DANBURY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 06811 Other Information NPANXX : 475277 County Population : 0 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 Overlay : L Company : LEVEL 3 COMMUNICATIONS, LLC - CT OCN (Operating Company Number) : 4800 Coverage Area Name : DANBURY Latitude : 41.3956 Longitude : -73.4537 ‹ previous : 475-243 next › : 475-282 Telephone Number List 475-277-0000 ~ 475-277-9999