Area Code +1-203-(3012000...3012999) located in Milford, 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 : 3012000 Subscriber Number To : 3012999 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 : Milford Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.2300 Longitude : -73.0600 ‹ previous : +1-203-(3011000...3011999) next › : +1-203-(3013000...3013999) Dialling Instructions For trunk calls: 0 203 3012000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3012000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3012000 ~ 3012999 (Count: 1,000) Example: +1-203-3012000 / 0111-203-3012000 (1203-3012000 / 1-203-3012000) +1-203-3012001 / 0111-203-3012001 (1203-3012001 / 1-203-3012001) +1-203-3012002 / 0111-203-3012002 (1203-3012002 / 1-203-3012002) +1-203-3012003 / 0111-203-3012003 (1203-3012003 / 1-203-3012003) +1-203-3012004 / 0111-203-3012004 (1203-3012004 / 1-203-3012004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3012995 / 0111-203-3012995 (1203-3012995 / 1-203-3012995) +1-203-3012996 / 0111-203-3012996 (1203-3012996 / 1-203-3012996) +1-203-3012997 / 0111-203-3012997 (1203-3012997 / 1-203-3012997) +1-203-3012998 / 0111-203-3012998 (1203-3012998 / 1-203-3012998) +1-203-3012999 / 0111-203-3012999 (1203-3012999 / 1-203-3012999)