Area Code 203-915 located in NORTHFORD, NEW HAVEN, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 915 City : NORTHFORD County : NEW HAVEN State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1996-07-01 FIPS (Federal Information Processing Standards) : 09009 LATA (Local Access Transport Area) : 920 Rate Center : NEW HAVEN ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 06472 Other Information NPANXX : 203915 County Population : 0 Switch CLLI (Common Language Location Identifier) : WLFRCTAICM3 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT OCN (Operating Company Number) : 6388 Coverage Area Name : NEW HAVEN Latitude : 41.3042 Longitude : -72.9236 ‹ previous : 203-914 next › : 203-915 Telephone Number List 203-915-0000 ~ 203-915-9999