Area Code +1-203-(2023000...2023999) located in Darien, 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 : 2023000 Subscriber Number To : 2023999 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 : Darien Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.0800 Longitude : -73.4700 ‹ previous : +1-203-(2022000...2022999) next › : +1-203-(2024000...2024999) Dialling Instructions For trunk calls: 0 203 2023000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2023000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2023000 ~ 2023999 (Count: 1,000) Example: +1-203-2023000 / 0111-203-2023000 (1203-2023000 / 1-203-2023000) +1-203-2023001 / 0111-203-2023001 (1203-2023001 / 1-203-2023001) +1-203-2023002 / 0111-203-2023002 (1203-2023002 / 1-203-2023002) +1-203-2023003 / 0111-203-2023003 (1203-2023003 / 1-203-2023003) +1-203-2023004 / 0111-203-2023004 (1203-2023004 / 1-203-2023004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2023995 / 0111-203-2023995 (1203-2023995 / 1-203-2023995) +1-203-2023996 / 0111-203-2023996 (1203-2023996 / 1-203-2023996) +1-203-2023997 / 0111-203-2023997 (1203-2023997 / 1-203-2023997) +1-203-2023998 / 0111-203-2023998 (1203-2023998 / 1-203-2023998) +1-203-2023999 / 0111-203-2023999 (1203-2023999 / 1-203-2023999)
