Area Code 860-658 located in EAST GRANBY, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 658 City : EAST GRANBY 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 : SIMSBURY ZIP Code Count : 309 ZIP Code Frequency : 9 ZIP Code : 06026 Other Information NPANXX : 860658 Switch CLLI (Common Language Location Identifier) : SMBYCT00DS0 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 : SIMSBURY Latitude : 41.8768 Longitude : -72.7968 ‹ previous : 860-658 next › : 860-658 Telephone Number List 860-658-0000 ~ 860-658-9999