Area Code 203-417 located in NEW MILFORD, LITCHFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 417 City : NEW MILFORD County : LITCHFIELD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 09005 LATA (Local Access Transport Area) : 920 Rate Center : DANBURY ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 06776 Other Information NPANXX : 203417 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWHNCT02CM2 MSA CBSA (Core Based Statistical Area) : Torrington, CT MSA CBSA Code (Core Based Statistical Area) : 45860 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : DANBURY Latitude : 41.3956 Longitude : -73.4537 ‹ previous : 203-417 next › : 203-418 Telephone Number List 203-417-0000 ~ 203-417-9999