Area Code +1-203-(2774000...2774999) located in Old Greenwich, 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 : 2774000 Subscriber Number To : 2774999 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 : BROOKS FIBER COM-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 : Old Greenwich Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.0200 Longitude : -73.5600 ‹ previous : +1-203-(2773000...2773999) next › : +1-203-(2775000...2775999) Dialling Instructions For trunk calls: 0 203 2774000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2774000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2774000 ~ 2774999 (Count: 1,000) Example: +1-203-2774000 / 0111-203-2774000 (1203-2774000 / 1-203-2774000) +1-203-2774001 / 0111-203-2774001 (1203-2774001 / 1-203-2774001) +1-203-2774002 / 0111-203-2774002 (1203-2774002 / 1-203-2774002) +1-203-2774003 / 0111-203-2774003 (1203-2774003 / 1-203-2774003) +1-203-2774004 / 0111-203-2774004 (1203-2774004 / 1-203-2774004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2774995 / 0111-203-2774995 (1203-2774995 / 1-203-2774995) +1-203-2774996 / 0111-203-2774996 (1203-2774996 / 1-203-2774996) +1-203-2774997 / 0111-203-2774997 (1203-2774997 / 1-203-2774997) +1-203-2774998 / 0111-203-2774998 (1203-2774998 / 1-203-2774998) +1-203-2774999 / 0111-203-2774999 (1203-2774999 / 1-203-2774999)