Area Code +1-605-(5430000...5439999) located in Crooks, South Dakota (SD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 605 Subscriber Number From : 5430000 Subscriber Number To : 5439999 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 : ALLIANCE COMM BALTIC 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 : SD Region Name : South Dakota City : Crooks Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.6600 Longitude : -96.8100 ‹ previous : +1-605-(5420000...5429999) next › : +1-605-(5440000...5449999) Dialling Instructions For trunk calls: 0 605 5430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 605 5430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5430000 ~ 5439999 (Count: 10,000) Example: +1-605-5430000 / 0111-605-5430000 (1605-5430000 / 1-605-5430000) +1-605-5430001 / 0111-605-5430001 (1605-5430001 / 1-605-5430001) +1-605-5430002 / 0111-605-5430002 (1605-5430002 / 1-605-5430002) +1-605-5430003 / 0111-605-5430003 (1605-5430003 / 1-605-5430003) +1-605-5430004 / 0111-605-5430004 (1605-5430004 / 1-605-5430004) ...+1-605-xxxxxxx / 0111-605-xxxxxxx (1605-xxxxxxx / 1-605-xxxxxxx) ...+1-605-5439995 / 0111-605-5439995 (1605-5439995 / 1-605-5439995) +1-605-5439996 / 0111-605-5439996 (1605-5439996 / 1-605-5439996) +1-605-5439997 / 0111-605-5439997 (1605-5439997 / 1-605-5439997) +1-605-5439998 / 0111-605-5439998 (1605-5439998 / 1-605-5439998) +1-605-5439999 / 0111-605-5439999 (1605-5439999 / 1-605-5439999)