Area Code +1-203-(4397000...4397999) located in Cheshire, Connecticut (CT), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 203 Subscriber Number From : 4397000 Subscriber Number To : 4397999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : COX CT TELCOM Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : CT Region Name : Connecticut City : Cheshire Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5100 Longitude : -72.9000 ‹ previous : +1-203-(4396000...4396999) next › : +1-203-(4398000...4398999) Dialling Instructions For trunk calls: 0 203 4397000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4397000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4397000 ~ 4397999 (Count: 1,000) Example: +1-203-4397000 / 0111-203-4397000 (1203-4397000 / 1-203-4397000) +1-203-4397001 / 0111-203-4397001 (1203-4397001 / 1-203-4397001) +1-203-4397002 / 0111-203-4397002 (1203-4397002 / 1-203-4397002) +1-203-4397003 / 0111-203-4397003 (1203-4397003 / 1-203-4397003) +1-203-4397004 / 0111-203-4397004 (1203-4397004 / 1-203-4397004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4397995 / 0111-203-4397995 (1203-4397995 / 1-203-4397995) +1-203-4397996 / 0111-203-4397996 (1203-4397996 / 1-203-4397996) +1-203-4397997 / 0111-203-4397997 (1203-4397997 / 1-203-4397997) +1-203-4397998 / 0111-203-4397998 (1203-4397998 / 1-203-4397998) +1-203-4397999 / 0111-203-4397999 (1203-4397999 / 1-203-4397999)