Area Code +1-203-(4242000...4242999) located in Darien, 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 : 4242000 Subscriber Number To : 4242999 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 : PEERLESS NTWK - CT 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 : Darien Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.0800 Longitude : -73.4700 ‹ previous : +1-203-(4241000...4241999) next › : +1-203-(4243000...4243999) Dialling Instructions For trunk calls: 0 203 4242000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4242000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4242000 ~ 4242999 (Count: 1,000) Example: +1-203-4242000 / 0111-203-4242000 (1203-4242000 / 1-203-4242000) +1-203-4242001 / 0111-203-4242001 (1203-4242001 / 1-203-4242001) +1-203-4242002 / 0111-203-4242002 (1203-4242002 / 1-203-4242002) +1-203-4242003 / 0111-203-4242003 (1203-4242003 / 1-203-4242003) +1-203-4242004 / 0111-203-4242004 (1203-4242004 / 1-203-4242004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4242995 / 0111-203-4242995 (1203-4242995 / 1-203-4242995) +1-203-4242996 / 0111-203-4242996 (1203-4242996 / 1-203-4242996) +1-203-4242997 / 0111-203-4242997 (1203-4242997 / 1-203-4242997) +1-203-4242998 / 0111-203-4242998 (1203-4242998 / 1-203-4242998) +1-203-4242999 / 0111-203-4242999 (1203-4242999 / 1-203-4242999)