Area Code +1-203-(2856000...2856999) located in New Haven, 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 : 2856000 Subscriber Number To : 2856999 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 : LEVEL 3 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 : New Haven Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.3000 Longitude : -72.9300 ‹ previous : +1-203-(2855000...2855999) next › : +1-203-(2857000...2857999) Dialling Instructions For trunk calls: 0 203 2856000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2856000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2856000 ~ 2856999 (Count: 1,000) Example: +1-203-2856000 / 0111-203-2856000 (1203-2856000 / 1-203-2856000) +1-203-2856001 / 0111-203-2856001 (1203-2856001 / 1-203-2856001) +1-203-2856002 / 0111-203-2856002 (1203-2856002 / 1-203-2856002) +1-203-2856003 / 0111-203-2856003 (1203-2856003 / 1-203-2856003) +1-203-2856004 / 0111-203-2856004 (1203-2856004 / 1-203-2856004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2856995 / 0111-203-2856995 (1203-2856995 / 1-203-2856995) +1-203-2856996 / 0111-203-2856996 (1203-2856996 / 1-203-2856996) +1-203-2856997 / 0111-203-2856997 (1203-2856997 / 1-203-2856997) +1-203-2856998 / 0111-203-2856998 (1203-2856998 / 1-203-2856998) +1-203-2856999 / 0111-203-2856999 (1203-2856999 / 1-203-2856999)