Area Code 860-228 located in AMSTON, TOLLAND, CT, more detail is as below. Place NPA (Numbering Plan Area) : 860 NXX (Local Number Prefix) : 228 City : AMSTON 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 : COLUMBIA ZIP Code Count : 796 ZIP Code Frequency : 24 ZIP Code : 06231 Other Information NPANXX : 860228 Switch CLLI (Common Language Location Identifier) : CLMACT00RS4 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 : COLUMBIA Latitude : 41.6929 Longitude : -72.3122 ‹ previous : 860-228 next › : 860-228 Telephone Number List 860-228-0000 ~ 860-228-9999