Area Code 203-278 located in CARMEL, PUTNAM, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 278 City : CARMEL County : PUTNAM State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 36079 LATA (Local Access Transport Area) : 920 Rate Center : ANSONIDRBY ZIP Code Count : 2 ZIP Code Frequency : 18 ZIP Code : 10512 Other Information NPANXX : 203278 County Population : 0 Switch CLLI (Common Language Location Identifier) : BLFDCTAPCMO MSA CBSA (Core Based Statistical Area) : New York-Northern New Jersey-Long Island, NY-NJ-PA MSA CBSA Code (Core Based Statistical Area) : 35620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : OMNIPOINT COMMUNICATIONS, INC. - CT OCN (Operating Company Number) : 6624 Coverage Area Name : DERBY Flags : The State for this record does not match the State for the ZIP Code. To keep with data reporting, the state for the Area Code is used. Latitude : 41.3242 Longitude : -73.0881 ‹ previous : 203-277 next › : 203-278 Telephone Number List 203-278-0000 ~ 203-278-9999