Area Code +1-605-(2530000...2539999) located in Alsen, 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 : 2530000 Subscriber Number To : 2539999 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 : VAST BROADBAND 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 : Alsen Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 42.9600 Longitude : -96.8100 ‹ previous : +1-605-(2529000...2529999) next › : +1-605-(2540000...2540999) Dialling Instructions For trunk calls: 0 605 2530000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 605 2530000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2530000 ~ 2539999 (Count: 10,000) Example: +1-605-2530000 / 0111-605-2530000 (1605-2530000 / 1-605-2530000) +1-605-2530001 / 0111-605-2530001 (1605-2530001 / 1-605-2530001) +1-605-2530002 / 0111-605-2530002 (1605-2530002 / 1-605-2530002) +1-605-2530003 / 0111-605-2530003 (1605-2530003 / 1-605-2530003) +1-605-2530004 / 0111-605-2530004 (1605-2530004 / 1-605-2530004) ...+1-605-xxxxxxx / 0111-605-xxxxxxx (1605-xxxxxxx / 1-605-xxxxxxx) ...+1-605-2539995 / 0111-605-2539995 (1605-2539995 / 1-605-2539995) +1-605-2539996 / 0111-605-2539996 (1605-2539996 / 1-605-2539996) +1-605-2539997 / 0111-605-2539997 (1605-2539997 / 1-605-2539997) +1-605-2539998 / 0111-605-2539998 (1605-2539998 / 1-605-2539998) +1-605-2539999 / 0111-605-2539999 (1605-2539999 / 1-605-2539999)