Area Code +1-203-(3030000...3030999) 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 : 3030000 Subscriber Number To : 3030999 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 : TELEPORT COMM AM-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-(3029000...3029999) next › : +1-203-(3031000...3031999) Dialling Instructions For trunk calls: 0 203 3030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3030000 ~ 3030999 (Count: 1,000) Example: +1-203-3030000 / 0111-203-3030000 (1203-3030000 / 1-203-3030000) +1-203-3030001 / 0111-203-3030001 (1203-3030001 / 1-203-3030001) +1-203-3030002 / 0111-203-3030002 (1203-3030002 / 1-203-3030002) +1-203-3030003 / 0111-203-3030003 (1203-3030003 / 1-203-3030003) +1-203-3030004 / 0111-203-3030004 (1203-3030004 / 1-203-3030004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3030995 / 0111-203-3030995 (1203-3030995 / 1-203-3030995) +1-203-3030996 / 0111-203-3030996 (1203-3030996 / 1-203-3030996) +1-203-3030997 / 0111-203-3030997 (1203-3030997 / 1-203-3030997) +1-203-3030998 / 0111-203-3030998 (1203-3030998 / 1-203-3030998) +1-203-3030999 / 0111-203-3030999 (1203-3030999 / 1-203-3030999)