Area Code +1-203-(2360000...2369999) 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 : 2360000 Subscriber Number To : 2369999 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-(2350000...2359999) next › : +1-203-(2370000...2379999) Dialling Instructions For trunk calls: 0 203 2360000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2360000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2360000 ~ 2369999 (Count: 10,000) Example: +1-203-2360000 / 0111-203-2360000 (1203-2360000 / 1-203-2360000) +1-203-2360001 / 0111-203-2360001 (1203-2360001 / 1-203-2360001) +1-203-2360002 / 0111-203-2360002 (1203-2360002 / 1-203-2360002) +1-203-2360003 / 0111-203-2360003 (1203-2360003 / 1-203-2360003) +1-203-2360004 / 0111-203-2360004 (1203-2360004 / 1-203-2360004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2369995 / 0111-203-2369995 (1203-2369995 / 1-203-2369995) +1-203-2369996 / 0111-203-2369996 (1203-2369996 / 1-203-2369996) +1-203-2369997 / 0111-203-2369997 (1203-2369997 / 1-203-2369997) +1-203-2369998 / 0111-203-2369998 (1203-2369998 / 1-203-2369998) +1-203-2369999 / 0111-203-2369999 (1203-2369999 / 1-203-2369999)