Area Code +1-203-(2500000...2509999) located in Cheshire, 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 : 2500000 Subscriber Number To : 2509999 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 : Cheshire Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.5100 Longitude : -72.9000 ‹ previous : +1-203-(2490000...2499999) next › : +1-203-(2510000...2519999) Dialling Instructions For trunk calls: 0 203 2500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2500000 ~ 2509999 (Count: 10,000) Example: +1-203-2500000 / 0111-203-2500000 (1203-2500000 / 1-203-2500000) +1-203-2500001 / 0111-203-2500001 (1203-2500001 / 1-203-2500001) +1-203-2500002 / 0111-203-2500002 (1203-2500002 / 1-203-2500002) +1-203-2500003 / 0111-203-2500003 (1203-2500003 / 1-203-2500003) +1-203-2500004 / 0111-203-2500004 (1203-2500004 / 1-203-2500004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2509995 / 0111-203-2509995 (1203-2509995 / 1-203-2509995) +1-203-2509996 / 0111-203-2509996 (1203-2509996 / 1-203-2509996) +1-203-2509997 / 0111-203-2509997 (1203-2509997 / 1-203-2509997) +1-203-2509998 / 0111-203-2509998 (1203-2509998 / 1-203-2509998) +1-203-2509999 / 0111-203-2509999 (1203-2509999 / 1-203-2509999)