Area Code +1-203-(7365000...7365999) located in Ansonia-Derby, 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 : 7365000 Subscriber Number To : 7365999 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 : FRONTIER COMM - 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 : Ansonia-Derby Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.3200 Longitude : -73.0900 ‹ previous : +1-203-(7364000...7364999) next › : +1-203-(7366000...7366999) Dialling Instructions For trunk calls: 0 203 7365000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7365000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7365000 ~ 7365999 (Count: 1,000) Example: +1-203-7365000 / 0111-203-7365000 (1203-7365000 / 1-203-7365000) +1-203-7365001 / 0111-203-7365001 (1203-7365001 / 1-203-7365001) +1-203-7365002 / 0111-203-7365002 (1203-7365002 / 1-203-7365002) +1-203-7365003 / 0111-203-7365003 (1203-7365003 / 1-203-7365003) +1-203-7365004 / 0111-203-7365004 (1203-7365004 / 1-203-7365004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7365995 / 0111-203-7365995 (1203-7365995 / 1-203-7365995) +1-203-7365996 / 0111-203-7365996 (1203-7365996 / 1-203-7365996) +1-203-7365997 / 0111-203-7365997 (1203-7365997 / 1-203-7365997) +1-203-7365998 / 0111-203-7365998 (1203-7365998 / 1-203-7365998) +1-203-7365999 / 0111-203-7365999 (1203-7365999 / 1-203-7365999)