Area Code +49-203-(6001000...6001999) 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 : 6001000 Subscriber Number To : 6001999 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-(5880000...5880999) next › : +49-203-(6010000...6010999) Dialling Instructions For trunk calls: 0 203 6001000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 49 203 6001000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6001000 ~ 6001999 (Count: 1,000) Example: +49-203-6001000 / 0049-203-6001000 (0203-6001000 / 0-203-6001000) +49-203-6001001 / 0049-203-6001001 (0203-6001001 / 0-203-6001001) +49-203-6001002 / 0049-203-6001002 (0203-6001002 / 0-203-6001002) +49-203-6001003 / 0049-203-6001003 (0203-6001003 / 0-203-6001003) +49-203-6001004 / 0049-203-6001004 (0203-6001004 / 0-203-6001004) ...+49-203-xxxxxxx / 0049-203-xxxxxxx (0203-xxxxxxx / 0-203-xxxxxxx) ...+49-203-6001995 / 0049-203-6001995 (0203-6001995 / 0-203-6001995) +49-203-6001996 / 0049-203-6001996 (0203-6001996 / 0-203-6001996) +49-203-6001997 / 0049-203-6001997 (0203-6001997 / 0-203-6001997) +49-203-6001998 / 0049-203-6001998 (0203-6001998 / 0-203-6001998) +49-203-6001999 / 0049-203-6001999 (0203-6001999 / 0-203-6001999)