Area Code +49-203-(5783000...5783999) located in Duisburg, Nordrhein-Westfalen (NW), more detail is as below. Place International Dialing Code : 49 International Prefix : 00 National Prefix : 0 National Destination Code : 203 Subscriber Number From : 5783000 Subscriber Number To : 5783999 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 : Telekom Deutschland GmbH 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 : Duisburg Timezone : Europe/Berlin Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 51.4300 Longitude : 6.7600 ‹ previous : +49-203-(5719000...5719999) next › : +49-203-(5784000...5784999) Dialling Instructions For trunk calls: 0 203 5783000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 5783000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5783000 ~ 5783999 (Count: 1,000) Example: +49-203-5783000 / 0049-203-5783000 (0203-5783000 / 0-203-5783000) +49-203-5783001 / 0049-203-5783001 (0203-5783001 / 0-203-5783001) +49-203-5783002 / 0049-203-5783002 (0203-5783002 / 0-203-5783002) +49-203-5783003 / 0049-203-5783003 (0203-5783003 / 0-203-5783003) +49-203-5783004 / 0049-203-5783004 (0203-5783004 / 0-203-5783004) ...+49-203-xxxxxxx / 0049-203-xxxxxxx (0203-xxxxxxx / 0-203-xxxxxxx) ...+49-203-5783995 / 0049-203-5783995 (0203-5783995 / 0-203-5783995) +49-203-5783996 / 0049-203-5783996 (0203-5783996 / 0-203-5783996) +49-203-5783997 / 0049-203-5783997 (0203-5783997 / 0-203-5783997) +49-203-5783998 / 0049-203-5783998 (0203-5783998 / 0-203-5783998) +49-203-5783999 / 0049-203-5783999 (0203-5783999 / 0-203-5783999)