Area Code +1-203-(3031000...3031999) 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 : 3031000 Subscriber Number To : 3031999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : X (X) 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-(3030000...3030999) next › : +1-203-(3032000...3032999) Dialling Instructions For trunk calls: 0 203 3031000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 203 3031000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3031000 ~ 3031999 (Count: 1,000) Example: +1-203-3031000 / 0111-203-3031000 (1203-3031000 / 1-203-3031000) +1-203-3031001 / 0111-203-3031001 (1203-3031001 / 1-203-3031001) +1-203-3031002 / 0111-203-3031002 (1203-3031002 / 1-203-3031002) +1-203-3031003 / 0111-203-3031003 (1203-3031003 / 1-203-3031003) +1-203-3031004 / 0111-203-3031004 (1203-3031004 / 1-203-3031004) ...+1-203-xxxxxxx / 0111-203-xxxxxxx (1203-xxxxxxx / 1-203-xxxxxxx) ...+1-203-3031995 / 0111-203-3031995 (1203-3031995 / 1-203-3031995) +1-203-3031996 / 0111-203-3031996 (1203-3031996 / 1-203-3031996) +1-203-3031997 / 0111-203-3031997 (1203-3031997 / 1-203-3031997) +1-203-3031998 / 0111-203-3031998 (1203-3031998 / 1-203-3031998) +1-203-3031999 / 0111-203-3031999 (1203-3031999 / 1-203-3031999)