Area Code +1-203-(7143000...7143999) located in Naugatuck, 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 : 7143000 Subscriber Number To : 7143999 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 : LEVEL 3 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 : Naugatuck Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4900 Longitude : -73.0500 ‹ previous : +1-203-(7142000...7142999) next › : +1-203-(7144000...7144999) Dialling Instructions For trunk calls: 0 203 7143000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7143000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7143000 ~ 7143999 (Count: 1,000) Example: +1-203-7143000 / 0111-203-7143000 (1203-7143000 / 1-203-7143000) +1-203-7143001 / 0111-203-7143001 (1203-7143001 / 1-203-7143001) +1-203-7143002 / 0111-203-7143002 (1203-7143002 / 1-203-7143002) +1-203-7143003 / 0111-203-7143003 (1203-7143003 / 1-203-7143003) +1-203-7143004 / 0111-203-7143004 (1203-7143004 / 1-203-7143004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7143995 / 0111-203-7143995 (1203-7143995 / 1-203-7143995) +1-203-7143996 / 0111-203-7143996 (1203-7143996 / 1-203-7143996) +1-203-7143997 / 0111-203-7143997 (1203-7143997 / 1-203-7143997) +1-203-7143998 / 0111-203-7143998 (1203-7143998 / 1-203-7143998) +1-203-7143999 / 0111-203-7143999 (1203-7143999 / 1-203-7143999)