Area Code +1-203-(7582000...7582999) 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 : 7582000 Subscriber Number To : 7582999 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-(7581000...7581999) next › : +1-203-(7583000...7583999) Dialling Instructions For trunk calls: 0 203 7582000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7582000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7582000 ~ 7582999 (Count: 1,000) Example: +1-203-7582000 / 0111-203-7582000 (1203-7582000 / 1-203-7582000) +1-203-7582001 / 0111-203-7582001 (1203-7582001 / 1-203-7582001) +1-203-7582002 / 0111-203-7582002 (1203-7582002 / 1-203-7582002) +1-203-7582003 / 0111-203-7582003 (1203-7582003 / 1-203-7582003) +1-203-7582004 / 0111-203-7582004 (1203-7582004 / 1-203-7582004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7582995 / 0111-203-7582995 (1203-7582995 / 1-203-7582995) +1-203-7582996 / 0111-203-7582996 (1203-7582996 / 1-203-7582996) +1-203-7582997 / 0111-203-7582997 (1203-7582997 / 1-203-7582997) +1-203-7582998 / 0111-203-7582998 (1203-7582998 / 1-203-7582998) +1-203-7582999 / 0111-203-7582999 (1203-7582999 / 1-203-7582999)