Area Code +1-203-(7440000...7440999) located in Danbury, 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 : 7440000 Subscriber Number To : 7440999 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 : Danbury Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4000 Longitude : -73.4500 ‹ previous : +1-203-(7430000...7439999) next › : +1-203-(7441000...7441999) Dialling Instructions For trunk calls: 0 203 7440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7440000 ~ 7440999 (Count: 1,000) Example: +1-203-7440000 / 0111-203-7440000 (1203-7440000 / 1-203-7440000) +1-203-7440001 / 0111-203-7440001 (1203-7440001 / 1-203-7440001) +1-203-7440002 / 0111-203-7440002 (1203-7440002 / 1-203-7440002) +1-203-7440003 / 0111-203-7440003 (1203-7440003 / 1-203-7440003) +1-203-7440004 / 0111-203-7440004 (1203-7440004 / 1-203-7440004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7440995 / 0111-203-7440995 (1203-7440995 / 1-203-7440995) +1-203-7440996 / 0111-203-7440996 (1203-7440996 / 1-203-7440996) +1-203-7440997 / 0111-203-7440997 (1203-7440997 / 1-203-7440997) +1-203-7440998 / 0111-203-7440998 (1203-7440998 / 1-203-7440998) +1-203-7440999 / 0111-203-7440999 (1203-7440999 / 1-203-7440999)