Area Code +1-203-(7740000...7740999) located in Wallingford, 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 : 7740000 Subscriber Number To : 7740999 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 : CHOICE ONE 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 : Wallingford Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 41.4600 Longitude : -72.8200 ‹ previous : +1-203-(7730000...7739999) next › : +1-203-(7741000...7741999) Dialling Instructions For trunk calls: 0 203 7740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 7740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7740000 ~ 7740999 (Count: 1,000) Example: +1-203-7740000 / 0111-203-7740000 (1203-7740000 / 1-203-7740000) +1-203-7740001 / 0111-203-7740001 (1203-7740001 / 1-203-7740001) +1-203-7740002 / 0111-203-7740002 (1203-7740002 / 1-203-7740002) +1-203-7740003 / 0111-203-7740003 (1203-7740003 / 1-203-7740003) +1-203-7740004 / 0111-203-7740004 (1203-7740004 / 1-203-7740004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-7740995 / 0111-203-7740995 (1203-7740995 / 1-203-7740995) +1-203-7740996 / 0111-203-7740996 (1203-7740996 / 1-203-7740996) +1-203-7740997 / 0111-203-7740997 (1203-7740997 / 1-203-7740997) +1-203-7740998 / 0111-203-7740998 (1203-7740998 / 1-203-7740998) +1-203-7740999 / 0111-203-7740999 (1203-7740999 / 1-203-7740999)