Area Code +1-605-(8380000...8380999) located in Sioux Falls, 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 : 8380000 Subscriber Number To : 8380999 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 : YMAX COMMS CORP. SD 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 : Sioux Falls Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 43.5500 Longitude : -96.7000 ‹ previous : +1-605-(8370000...8379999) next › : +1-605-(8381000...8381999) Dialling Instructions For trunk calls: 0 605 8380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 605 8380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8380000 ~ 8380999 (Count: 1,000) Example: +1-605-8380000 / 0111-605-8380000 (1605-8380000 / 1-605-8380000) +1-605-8380001 / 0111-605-8380001 (1605-8380001 / 1-605-8380001) +1-605-8380002 / 0111-605-8380002 (1605-8380002 / 1-605-8380002) +1-605-8380003 / 0111-605-8380003 (1605-8380003 / 1-605-8380003) +1-605-8380004 / 0111-605-8380004 (1605-8380004 / 1-605-8380004) ...+1-605-xxxxxxx / 0111-605-xxxxxxx (1605-xxxxxxx / 1-605-xxxxxxx) ...+1-605-8380995 / 0111-605-8380995 (1605-8380995 / 1-605-8380995) +1-605-8380996 / 0111-605-8380996 (1605-8380996 / 1-605-8380996) +1-605-8380997 / 0111-605-8380997 (1605-8380997 / 1-605-8380997) +1-605-8380998 / 0111-605-8380998 (1605-8380998 / 1-605-8380998) +1-605-8380999 / 0111-605-8380999 (1605-8380999 / 1-605-8380999)