Area Code +1-203-(7585000...7585999) located in Waterbury, 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 : 7585000 Subscriber Number To : 7585999 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 : Waterbury Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5600 Longitude : -73.0500 ‹ previous : +1-203-(7584000...7584999) next › : +1-203-(7586000...7586999) Dialling Instructions For trunk calls: 0 203 7585000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7585000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7585000 ~ 7585999 (Count: 1,000) Example: +1-203-7585000 / 0111-203-7585000 (1203-7585000 / 1-203-7585000) +1-203-7585001 / 0111-203-7585001 (1203-7585001 / 1-203-7585001) +1-203-7585002 / 0111-203-7585002 (1203-7585002 / 1-203-7585002) +1-203-7585003 / 0111-203-7585003 (1203-7585003 / 1-203-7585003) +1-203-7585004 / 0111-203-7585004 (1203-7585004 / 1-203-7585004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7585995 / 0111-203-7585995 (1203-7585995 / 1-203-7585995) +1-203-7585996 / 0111-203-7585996 (1203-7585996 / 1-203-7585996) +1-203-7585997 / 0111-203-7585997 (1203-7585997 / 1-203-7585997) +1-203-7585998 / 0111-203-7585998 (1203-7585998 / 1-203-7585998) +1-203-7585999 / 0111-203-7585999 (1203-7585999 / 1-203-7585999)