Area Code 860-404 located in FARMINGTON, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 404 City : FARMINGTON County : HARTFORD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : FARMINGTON ZIP Code Count : 47 ZIP Code Frequency : 10 ZIP Code : 06032 Other Information NPANXX : 860404 Switch CLLI (Common Language Location Identifier) : UNVLCT00DS0 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 : FARMINGTON Latitude : 41.7615 Longitude : -72.8872 ‹ previous : 860-404 next › : 860-404 Telephone Number List 860-404-0000 ~ 860-404-9999