Area Code 475-675 located in OXFORD, NEW HAVEN, CT, more detail is as below. Place NPA (Numbering Plan Area) : 475 NXX (Local Number Prefix) : 675 City : OXFORD County : NEW HAVEN State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1/30/2013 FIPS (Federal Information Processing Standards) : 09009 LATA (Local Access Transport Area) : 920 Rate Center : SEYMOUR ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 06478 Other Information NPANXX : 475675 County Population : 0 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 Overlay : L Company : BANDWIDTH.COM CLEC, LLC - CT OCN (Operating Company Number) : 199F Coverage Area Name : SEYMOUR Latitude : 41.3968 Longitude : -73.0745 ‹ previous : 475-529 next › : 475-882 Telephone Number List 475-675-0000 ~ 475-675-9999