Area Code +1-203-(7940000...7940999) 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 : 7940000 Subscriber Number To : 7940999 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-(7939000...7939999) next › : +1-203-(7941000...7941999) Dialling Instructions For trunk calls: 0 203 7940000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7940000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7940000 ~ 7940999 (Count: 1,000) Example: +1-203-7940000 / 0111-203-7940000 (1203-7940000 / 1-203-7940000) +1-203-7940001 / 0111-203-7940001 (1203-7940001 / 1-203-7940001) +1-203-7940002 / 0111-203-7940002 (1203-7940002 / 1-203-7940002) +1-203-7940003 / 0111-203-7940003 (1203-7940003 / 1-203-7940003) +1-203-7940004 / 0111-203-7940004 (1203-7940004 / 1-203-7940004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7940995 / 0111-203-7940995 (1203-7940995 / 1-203-7940995) +1-203-7940996 / 0111-203-7940996 (1203-7940996 / 1-203-7940996) +1-203-7940997 / 0111-203-7940997 (1203-7940997 / 1-203-7940997) +1-203-7940998 / 0111-203-7940998 (1203-7940998 / 1-203-7940998) +1-203-7940999 / 0111-203-7940999 (1203-7940999 / 1-203-7940999)