Area Code +1-203-(2783000...2783999) 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 : 2783000 Subscriber Number To : 2783999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : OMNIPOINT 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-(2782000...2782999) next › : +1-203-(2784000...2784999) Dialling Instructions For trunk calls: 0 203 2783000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2783000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2783000 ~ 2783999 (Count: 1,000) Example: +1-203-2783000 / 0111-203-2783000 (1203-2783000 / 1-203-2783000) +1-203-2783001 / 0111-203-2783001 (1203-2783001 / 1-203-2783001) +1-203-2783002 / 0111-203-2783002 (1203-2783002 / 1-203-2783002) +1-203-2783003 / 0111-203-2783003 (1203-2783003 / 1-203-2783003) +1-203-2783004 / 0111-203-2783004 (1203-2783004 / 1-203-2783004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2783995 / 0111-203-2783995 (1203-2783995 / 1-203-2783995) +1-203-2783996 / 0111-203-2783996 (1203-2783996 / 1-203-2783996) +1-203-2783997 / 0111-203-2783997 (1203-2783997 / 1-203-2783997) +1-203-2783998 / 0111-203-2783998 (1203-2783998 / 1-203-2783998) +1-203-2783999 / 0111-203-2783999 (1203-2783999 / 1-203-2783999)