Area Code +1-605-(2156000...2156999) 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 : 2156000 Subscriber Number To : 2156999 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 : BANDWIDTH.COM - 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-(2155000...2155999) next › : +1-605-(2157000...2157999) Dialling Instructions For trunk calls: 0 605 2156000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 605 2156000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2156000 ~ 2156999 (Count: 1,000) Example: +1-605-2156000 / 0111-605-2156000 (1605-2156000 / 1-605-2156000) +1-605-2156001 / 0111-605-2156001 (1605-2156001 / 1-605-2156001) +1-605-2156002 / 0111-605-2156002 (1605-2156002 / 1-605-2156002) +1-605-2156003 / 0111-605-2156003 (1605-2156003 / 1-605-2156003) +1-605-2156004 / 0111-605-2156004 (1605-2156004 / 1-605-2156004) ...+1-605-xxxxxxx / 0111-605-xxxxxxx (1605-xxxxxxx / 1-605-xxxxxxx) ...+1-605-2156995 / 0111-605-2156995 (1605-2156995 / 1-605-2156995) +1-605-2156996 / 0111-605-2156996 (1605-2156996 / 1-605-2156996) +1-605-2156997 / 0111-605-2156997 (1605-2156997 / 1-605-2156997) +1-605-2156998 / 0111-605-2156998 (1605-2156998 / 1-605-2156998) +1-605-2156999 / 0111-605-2156999 (1605-2156999 / 1-605-2156999)