Area Code +49-231-(2279000...2279999) located in Dortmund, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 231 Subscriber Number From : 2279000 Subscriber Number To : 2279999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 11 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Bundesnetzagentur2 Click here to buy Germany Area Code Database Other Information Language Code : de (German) Country Number : 276 (Germany) Country Code : DE (Germany) Region Code : NW Region Name : Nordrhein-Westfalen City : Dortmund Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 51.5200 Longitude : 7.4700 ‹ previous : +49-231-(2274000...2274999) next › : +49-231-(2280000...2280999) Dialling Instructions For trunk calls: 0 231 2279000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 231 2279000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2279000 ~ 2279999 (Count: 1,000) Example: +49-231-2279000 / 0049-231-2279000 (0231-2279000 / 0-231-2279000) +49-231-2279001 / 0049-231-2279001 (0231-2279001 / 0-231-2279001) +49-231-2279002 / 0049-231-2279002 (0231-2279002 / 0-231-2279002) +49-231-2279003 / 0049-231-2279003 (0231-2279003 / 0-231-2279003) +49-231-2279004 / 0049-231-2279004 (0231-2279004 / 0-231-2279004) ...+49-231-xxxxxxx / 0049-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+49-231-2279995 / 0049-231-2279995 (0231-2279995 / 0-231-2279995) +49-231-2279996 / 0049-231-2279996 (0231-2279996 / 0-231-2279996) +49-231-2279997 / 0049-231-2279997 (0231-2279997 / 0-231-2279997) +49-231-2279998 / 0049-231-2279998 (0231-2279998 / 0-231-2279998) +49-231-2279999 / 0049-231-2279999 (0231-2279999 / 0-231-2279999)