Area Code +1-203-(3017000...3017999) 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 : 3017000 Subscriber Number To : 3017999 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-(3016000...3016999) next › : +1-203-(3018000...3018999) Dialling Instructions For trunk calls: 0 203 3017000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3017000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3017000 ~ 3017999 (Count: 1,000) Example: +1-203-3017000 / 0111-203-3017000 (1203-3017000 / 1-203-3017000) +1-203-3017001 / 0111-203-3017001 (1203-3017001 / 1-203-3017001) +1-203-3017002 / 0111-203-3017002 (1203-3017002 / 1-203-3017002) +1-203-3017003 / 0111-203-3017003 (1203-3017003 / 1-203-3017003) +1-203-3017004 / 0111-203-3017004 (1203-3017004 / 1-203-3017004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3017995 / 0111-203-3017995 (1203-3017995 / 1-203-3017995) +1-203-3017996 / 0111-203-3017996 (1203-3017996 / 1-203-3017996) +1-203-3017997 / 0111-203-3017997 (1203-3017997 / 1-203-3017997) +1-203-3017998 / 0111-203-3017998 (1203-3017998 / 1-203-3017998) +1-203-3017999 / 0111-203-3017999 (1203-3017999 / 1-203-3017999)