Area Code 203-867 located in HARTFORD, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 867 City : HARTFORD County : HARTFORD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : NEW HAVEN ZIP Code Count : 1 ZIP Code Frequency : 3 ZIP Code : 06106 Other Information NPANXX : 203867 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWHNCT03CG0 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 : SOUTHERN NEW ENGLAND TELEPHONE CO. OCN (Operating Company Number) : 9147 Coverage Area Name : NEW HAVEN Latitude : 41.3042 Longitude : -72.9236 ‹ previous : 203-867 next › : 203-867 Telephone Number List 203-867-0000 ~ 203-867-9999