Area Code 203-217 located in WEST HARTFORD, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 217 City : WEST HARTFORD County : HARTFORD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1995-02-11 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : WATERBURY ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 06117 Other Information NPANXX : 203217 County Population : 0 Switch CLLI (Common Language Location Identifier) : BRPTCT04CM3 MSA CBSA (Core Based Statistical Area) : Hartford-West Hartford-East Hartford, CT MSA CBSA Code (Core Based Statistical Area) : 25540 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 : WATERBURY Latitude : 41.5522 Longitude : -73.0443 ‹ previous : 203-216 next › : 203-218 Telephone Number List 203-217-0000 ~ 203-217-9999