Area Code +49-203-(3965000...3965999) 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 : 3965000 Subscriber Number To : 3965999 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 : Ventelo 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-(3959000...3959999) next › : +49-203-(3966000...3966999) Dialling Instructions For trunk calls: 0 203 3965000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 3965000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3965000 ~ 3965999 (Count: 1,000) Example: +49-203-3965000 / 0049-203-3965000 (0203-3965000 / 0-203-3965000) +49-203-3965001 / 0049-203-3965001 (0203-3965001 / 0-203-3965001) +49-203-3965002 / 0049-203-3965002 (0203-3965002 / 0-203-3965002) +49-203-3965003 / 0049-203-3965003 (0203-3965003 / 0-203-3965003) +49-203-3965004 / 0049-203-3965004 (0203-3965004 / 0-203-3965004) ...+49-203-xxxxxxx / 0049-203-xxxxxxx (0203-xxxxxxx / 0-203-xxxxxxx) ...+49-203-3965995 / 0049-203-3965995 (0203-3965995 / 0-203-3965995) +49-203-3965996 / 0049-203-3965996 (0203-3965996 / 0-203-3965996) +49-203-3965997 / 0049-203-3965997 (0203-3965997 / 0-203-3965997) +49-203-3965998 / 0049-203-3965998 (0203-3965998 / 0-203-3965998) +49-203-3965999 / 0049-203-3965999 (0203-3965999 / 0-203-3965999)