Area Code 475-239 located in TRUMBULL, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 475 NXX (Local Number Prefix) : 239 City : TRUMBULL County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 10/2/2012 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : TRUMBULL ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 06611 Other Information NPANXX : 475239 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 : PEERLESS NETWORK OF CONNECTICUT, LLC - CT OCN (Operating Company Number) : 539F Coverage Area Name : TRUMBULL Latitude : 41.2626 Longitude : -73.2211 ‹ previous : 475-238 next › : 475-243 Telephone Number List 475-239-0000 ~ 475-239-9999