Area Code +1-203-(7453000...7453999) 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 : 7453000 Subscriber Number To : 7453999 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 : COMCAST PHONE - 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-(7452000...7452999) next › : +1-203-(7454000...7454999) Dialling Instructions For trunk calls: 0 203 7453000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7453000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7453000 ~ 7453999 (Count: 1,000) Example: +1-203-7453000 / 0111-203-7453000 (1203-7453000 / 1-203-7453000) +1-203-7453001 / 0111-203-7453001 (1203-7453001 / 1-203-7453001) +1-203-7453002 / 0111-203-7453002 (1203-7453002 / 1-203-7453002) +1-203-7453003 / 0111-203-7453003 (1203-7453003 / 1-203-7453003) +1-203-7453004 / 0111-203-7453004 (1203-7453004 / 1-203-7453004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7453995 / 0111-203-7453995 (1203-7453995 / 1-203-7453995) +1-203-7453996 / 0111-203-7453996 (1203-7453996 / 1-203-7453996) +1-203-7453997 / 0111-203-7453997 (1203-7453997 / 1-203-7453997) +1-203-7453998 / 0111-203-7453998 (1203-7453998 / 1-203-7453998) +1-203-7453999 / 0111-203-7453999 (1203-7453999 / 1-203-7453999)