Area Code 860-428 located in FARMINGTON, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 428 City : FARMINGTON County : HARTFORD State : CT (Connecticut) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : WILLIMNTIC ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 06032 Other Information NPANXX : 860428 Switch CLLI (Common Language Location Identifier) : WLFRCTAICM3 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT OCN (Operating Company Number) : 6388 Coverage Area Name : WILLIMANTIC Latitude : 41.7140 Longitude : -72.2193 ‹ previous : 860-428 next › : 860-429 Telephone Number List 860-428-0000 ~ 860-428-9999