Area Code 860-870 located in VERNON ROCKVILLE, TOLLAND, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 870 City : VERNON ROCKVILLE County : TOLLAND State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 09013 LATA (Local Access Transport Area) : 920 Rate Center : ROCKVILLE ZIP Code Count : 1424 ZIP Code Frequency : 56 ZIP Code : 06066 Other Information NPANXX : 860870 Switch CLLI (Common Language Location Identifier) : RKVLCT00DS0 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 : ROCKVILLE Latitude : 41.8661 Longitude : -72.4483 ‹ previous : 860-870 next › : 860-871 Telephone Number List 860-870-0000 ~ 860-870-9999