Area Code +1-203-(4563000...4563999) 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 : 4563000 Subscriber Number To : 4563999 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 : 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-(4562000...4562999) next › : +1-203-(4564000...4564999) Dialling Instructions For trunk calls: 0 203 4563000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 4563000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4563000 ~ 4563999 (Count: 1,000) Example: +1-203-4563000 / 0111-203-4563000 (1203-4563000 / 1-203-4563000) +1-203-4563001 / 0111-203-4563001 (1203-4563001 / 1-203-4563001) +1-203-4563002 / 0111-203-4563002 (1203-4563002 / 1-203-4563002) +1-203-4563003 / 0111-203-4563003 (1203-4563003 / 1-203-4563003) +1-203-4563004 / 0111-203-4563004 (1203-4563004 / 1-203-4563004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-4563995 / 0111-203-4563995 (1203-4563995 / 1-203-4563995) +1-203-4563996 / 0111-203-4563996 (1203-4563996 / 1-203-4563996) +1-203-4563997 / 0111-203-4563997 (1203-4563997 / 1-203-4563997) +1-203-4563998 / 0111-203-4563998 (1203-4563998 / 1-203-4563998) +1-203-4563999 / 0111-203-4563999 (1203-4563999 / 1-203-4563999)