Area Code 860-370 located in SUFFIELD, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 370 City : SUFFIELD County : HARTFORD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : WINDSORLKS ZIP Code Count : 14 ZIP Code Frequency : 13 ZIP Code : 06078 Other Information NPANXX : 860370 Switch CLLI (Common Language Location Identifier) : MNCHCTAVDS0 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 : COX CONNECTICUT TELECOM, LLC OCN (Operating Company Number) : 7077 Coverage Area Name : MANCHESTER Latitude : 41.8025 Longitude : -72.5082 ‹ previous : 860-370 next › : 860-370 Telephone Number List 860-370-0000 ~ 860-370-9999