Area Code 203-439 located in CHESHIRE, NEW HAVEN, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 439 City : CHESHIRE County : NEW HAVEN State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 09009 LATA (Local Access Transport Area) : 920 Rate Center : CHESHIRE ZIP Code Count : 218 ZIP Code Frequency : 98 ZIP Code : 06410 Other Information NPANXX : 203439 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNCHCTAVDS0 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 : COX CONNECTICUT TELECOM, LLC OCN (Operating Company Number) : 7077 Coverage Area Name : CHESHIRE Latitude : 41.5041 Longitude : -72.9007 ‹ previous : 203-438 next › : 203-440 Telephone Number List 203-439-0000 ~ 203-439-9999
