Area Code +49-231-(2224000...2224999) 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 : 2224000 Subscriber Number To : 2224999 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 : DOKOM Gesellschaft für Telekommunikation mbH 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-(2223000...2223999) next › : +49-231-(2225000...2225999) Dialling Instructions For trunk calls: 0 231 2224000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 231 2224000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2224000 ~ 2224999 (Count: 1,000) Example: +49-231-2224000 / 0049-231-2224000 (0231-2224000 / 0-231-2224000) +49-231-2224001 / 0049-231-2224001 (0231-2224001 / 0-231-2224001) +49-231-2224002 / 0049-231-2224002 (0231-2224002 / 0-231-2224002) +49-231-2224003 / 0049-231-2224003 (0231-2224003 / 0-231-2224003) +49-231-2224004 / 0049-231-2224004 (0231-2224004 / 0-231-2224004) ...+49-231-xxxxxxx / 0049-231-xxxxxxx (0231-xxxxxxx / 0-231-xxxxxxx) ...+49-231-2224995 / 0049-231-2224995 (0231-2224995 / 0-231-2224995) +49-231-2224996 / 0049-231-2224996 (0231-2224996 / 0-231-2224996) +49-231-2224997 / 0049-231-2224997 (0231-2224997 / 0-231-2224997) +49-231-2224998 / 0049-231-2224998 (0231-2224998 / 0-231-2224998) +49-231-2224999 / 0049-231-2224999 (0231-2224999 / 0-231-2224999)