Area Code +1-203-(2590000...2599999) located in Fairfield, 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 : 2590000 Subscriber Number To : 2599999 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 : Fairfield Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.1400 Longitude : -73.2600 ‹ previous : +1-203-(2580000...2589999) next › : +1-203-(2600000...2609999) Dialling Instructions For trunk calls: 0 203 2590000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 2590000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2590000 ~ 2599999 (Count: 10,000) Example: +1-203-2590000 / 0111-203-2590000 (1203-2590000 / 1-203-2590000) +1-203-2590001 / 0111-203-2590001 (1203-2590001 / 1-203-2590001) +1-203-2590002 / 0111-203-2590002 (1203-2590002 / 1-203-2590002) +1-203-2590003 / 0111-203-2590003 (1203-2590003 / 1-203-2590003) +1-203-2590004 / 0111-203-2590004 (1203-2590004 / 1-203-2590004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-2599995 / 0111-203-2599995 (1203-2599995 / 1-203-2599995) +1-203-2599996 / 0111-203-2599996 (1203-2599996 / 1-203-2599996) +1-203-2599997 / 0111-203-2599997 (1203-2599997 / 1-203-2599997) +1-203-2599998 / 0111-203-2599998 (1203-2599998 / 1-203-2599998) +1-203-2599999 / 0111-203-2599999 (1203-2599999 / 1-203-2599999)