Area Code 203-795 located in WEST HAVEN, NEW HAVEN, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 795 City : WEST HAVEN County : NEW HAVEN State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 09009 LATA (Local Access Transport Area) : 920 Rate Center : NEW HAVEN ZIP Code Count : 213 ZIP Code Frequency : 8 ZIP Code : 06516 Other Information NPANXX : 203795 County Population : 0 Switch CLLI (Common Language Location Identifier) : ORNGCT00RS0 MSA CBSA (Core Based Statistical Area) : New Haven-Milford, CT MSA CBSA Code (Core Based Statistical Area) : 35300 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 : 41.2780 Longitude : -73.0279 ‹ previous : 203-794 next › : 203-795 Telephone Number List 203-795-0000 ~ 203-795-9999