Area Code +1-203-(4025000...4025999) located in Huntington, 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 : 4025000 Subscriber Number To : 4025999 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 : Huntington Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.3000 Longitude : -73.1500 ‹ previous : +1-203-(4024000...4024999) next › : +1-203-(4026000...4026999) Dialling Instructions For trunk calls: 0 203 4025000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4025000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4025000 ~ 4025999 (Count: 1,000) Example: +1-203-4025000 / 0111-203-4025000 (1203-4025000 / 1-203-4025000) +1-203-4025001 / 0111-203-4025001 (1203-4025001 / 1-203-4025001) +1-203-4025002 / 0111-203-4025002 (1203-4025002 / 1-203-4025002) +1-203-4025003 / 0111-203-4025003 (1203-4025003 / 1-203-4025003) +1-203-4025004 / 0111-203-4025004 (1203-4025004 / 1-203-4025004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4025995 / 0111-203-4025995 (1203-4025995 / 1-203-4025995) +1-203-4025996 / 0111-203-4025996 (1203-4025996 / 1-203-4025996) +1-203-4025997 / 0111-203-4025997 (1203-4025997 / 1-203-4025997) +1-203-4025998 / 0111-203-4025998 (1203-4025998 / 1-203-4025998) +1-203-4025999 / 0111-203-4025999 (1203-4025999 / 1-203-4025999)